Percent Proportions

Solve the following problem using a proportion.

18% of 30 is what number?

Which of the following proportions would you use to solve this problem?

"What is 10% of 50?"

Which of the following proportions would you use to solve this problem?

Which of the following proportions would you use to solve this problem?"What percent of 50 is 5?"

Solve using the percent proportion: 
What number is 20% of 102?

• 204

• 122.4

• 20.4

• 20

Solve using the percent proportion: 
38% of 81 is what number?

• 33.81

• 30.78

• 31.2

• 38.81

Is a ratio that compares a number to 100.  It means "per 100" or "out of 100".

• Percent

• Ratio Table

• Unit Rate

• Rate

• 30

• 40

• 50

• 60

• 16

• 25

• 100

• 40

Solve the following problem using a proportion.

What percent of 30 is 7?