Home / 56,255.92-77,632.97-31,724.78

Finding the Fourth Proportional to 56,255.92, 77,632.97 and 31,724.78

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Solution

The fourth proportional to 56,255.92, 77,632.97 and 31,724.78 is: 43,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,255.92 : 77,632.97 = 31,724.78 : x
  2. Step 2: Convert to fraction form
    56,255.92/77,632.97 = 31,724.78/x
  3. Step 3: Cross multiply
    56,255.92x = 77,632.97 × 31,724.78
  4. Step 4: Simplify right side
    56,255.92x = 2,462,888,505.83
  5. Step 5: Solve for x
    x = 2,462,888,505.83/56,255.92
  6. Step 6: Final answer
    x = 43,780.08

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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.