Home / 56,456.43-77,910.29-38,550.97

Finding the Fourth Proportional to 56,456.43, 77,910.29 and 38,550.97

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Solution

The fourth proportional to 56,456.43, 77,910.29 and 38,550.97 is: 53,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.43 : 77,910.29 = 38,550.97 : x
  2. Step 2: Convert to fraction form
    56,456.43/77,910.29 = 38,550.97/x
  3. Step 3: Cross multiply
    56,456.43x = 77,910.29 × 38,550.97
  4. Step 4: Simplify right side
    56,456.43x = 3,003,517,252.48
  5. Step 5: Solve for x
    x = 3,003,517,252.48/56,456.43
  6. Step 6: Final answer
    x = 53,200.62

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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.