Home / 56,342.92-77,752.20-31,192.42

Finding the Fourth Proportional to 56,342.92, 77,752.20 and 31,192.42

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Solution

The fourth proportional to 56,342.92, 77,752.20 and 31,192.42 is: 43,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.92 : 77,752.20 = 31,192.42 : x
  2. Step 2: Convert to fraction form
    56,342.92/77,752.20 = 31,192.42/x
  3. Step 3: Cross multiply
    56,342.92x = 77,752.20 × 31,192.42
  4. Step 4: Simplify right side
    56,342.92x = 2,425,279,278.32
  5. Step 5: Solve for x
    x = 2,425,279,278.32/56,342.92
  6. Step 6: Final answer
    x = 43,044.97

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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.