Home / 40,721.67-61,082.52-11,137.26

Finding the Fourth Proportional to 40,721.67, 61,082.52 and 11,137.26

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Solution

The fourth proportional to 40,721.67, 61,082.52 and 11,137.26 is: 16,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.67 : 61,082.52 = 11,137.26 : x
  2. Step 2: Convert to fraction form
    40,721.67/61,082.52 = 11,137.26/x
  3. Step 3: Cross multiply
    40,721.67x = 61,082.52 × 11,137.26
  4. Step 4: Simplify right side
    40,721.67x = 680,291,906.70
  5. Step 5: Solve for x
    x = 680,291,906.70/40,721.67
  6. Step 6: Final answer
    x = 16,705.89

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Similar ratio
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1.5x scale

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.