Home / 42,481.38-63,713.49-40,373.70

Finding the Fourth Proportional to 42,481.38, 63,713.49 and 40,373.70

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Solution

The fourth proportional to 42,481.38, 63,713.49 and 40,373.70 is: 60,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,481.38 : 63,713.49 = 40,373.70 : x
  2. Step 2: Convert to fraction form
    42,481.38/63,713.49 = 40,373.70/x
  3. Step 3: Cross multiply
    42,481.38x = 63,713.49 × 40,373.70
  4. Step 4: Simplify right side
    42,481.38x = 2,572,349,331.21
  5. Step 5: Solve for x
    x = 2,572,349,331.21/42,481.38
  6. Step 6: Final answer
    x = 60,552.40

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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.