Home / 42,456.80-63,677.02-40,349.44

Finding the Fourth Proportional to 42,456.80, 63,677.02 and 40,349.44

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Solution

The fourth proportional to 42,456.80, 63,677.02 and 40,349.44 is: 60,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,456.80 : 63,677.02 = 40,349.44 : x
  2. Step 2: Convert to fraction form
    42,456.80/63,677.02 = 40,349.44/x
  3. Step 3: Cross multiply
    42,456.80x = 63,677.02 × 40,349.44
  4. Step 4: Simplify right side
    42,456.80x = 2,569,332,097.87
  5. Step 5: Solve for x
    x = 2,569,332,097.87/42,456.80
  6. Step 6: Final answer
    x = 60,516.39

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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.