Home / 42,424.26-63,505.18-36,125.70

Finding the Fourth Proportional to 42,424.26, 63,505.18 and 36,125.70

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Solution

The fourth proportional to 42,424.26, 63,505.18 and 36,125.70 is: 54,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.26 : 63,505.18 = 36,125.70 : x
  2. Step 2: Convert to fraction form
    42,424.26/63,505.18 = 36,125.70/x
  3. Step 3: Cross multiply
    42,424.26x = 63,505.18 × 36,125.70
  4. Step 4: Simplify right side
    42,424.26x = 2,294,169,081.13
  5. Step 5: Solve for x
    x = 2,294,169,081.13/42,424.26
  6. Step 6: Final answer
    x = 54,076.82

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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.