Finding the Fourth Proportional to 39.33, 58.89 and 35.99
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Solution
The fourth proportional to 39.33, 58.89 and 35.99 is: 53.88
Step by Step Solution
- Step 1: Write the proportion equation
39.33 : 58.89 = 35.99 : x - Step 2: Convert to fraction form
39.33/58.89 = 35.99/x - Step 3: Cross multiply
39.33x = 58.89 × 35.99 - Step 4: Simplify right side
39.33x = 2,119.16 - Step 5: Solve for x
x = 2,119.16/39.33 - Step 6: Final answer
x = 53.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.