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Finding the Fourth Proportional to 56,249.73, 77,641.92 and 32,392.31

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Solution

The fourth proportional to 56,249.73, 77,641.92 and 32,392.31 is: 44,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,249.73 : 77,641.92 = 32,392.31 : x
  2. Step 2: Convert to fraction form
    56,249.73/77,641.92 = 32,392.31/x
  3. Step 3: Cross multiply
    56,249.73x = 77,641.92 × 32,392.31
  4. Step 4: Simplify right side
    56,249.73x = 2,515,000,753.43
  5. Step 5: Solve for x
    x = 2,515,000,753.43/56,249.73
  6. Step 6: Final answer
    x = 44,711.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.