Home / 39,642.08-59,463.45-31,724.90

Finding the Fourth Proportional to 39,642.08, 59,463.45 and 31,724.90

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Solution

The fourth proportional to 39,642.08, 59,463.45 and 31,724.90 is: 47,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.08 : 59,463.45 = 31,724.90 : x
  2. Step 2: Convert to fraction form
    39,642.08/59,463.45 = 31,724.90/x
  3. Step 3: Cross multiply
    39,642.08x = 59,463.45 × 31,724.90
  4. Step 4: Simplify right side
    39,642.08x = 1,886,472,004.91
  5. Step 5: Solve for x
    x = 1,886,472,004.91/39,642.08
  6. Step 6: Final answer
    x = 47,587.61

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1.5x scale

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.