Home / 31,737.92-47,637.84-15,109.43

Finding the Fourth Proportional to 31,737.92, 47,637.84 and 15,109.43

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Solution

The fourth proportional to 31,737.92, 47,637.84 and 15,109.43 is: 22,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.92 : 47,637.84 = 15,109.43 : x
  2. Step 2: Convert to fraction form
    31,737.92/47,637.84 = 15,109.43/x
  3. Step 3: Cross multiply
    31,737.92x = 47,637.84 × 15,109.43
  4. Step 4: Simplify right side
    31,737.92x = 719,780,370.64
  5. Step 5: Solve for x
    x = 719,780,370.64/31,737.92
  6. Step 6: Final answer
    x = 22,678.88

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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.