Question

Are 30 , 40 , 45 , 60 in proportion ?​

Answer 1

Answer:

Ratio of 30 to 40 = 3: 4. Ratio of 45 to 60  = 3: 4. Therefore, 30, 40, 45, and 60 are in proportion.

Step-by-step explanation:

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Answer 2

Answer:

Ratio of 30 to 40 = = 3: 4. Ratio of 45 to 60 = = 3: 4. Therefore, 30, 40, 45, and 60 are in proportion.

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