Home / 36,160.72-54,257.04-12,471.88

Finding the Fourth Proportional to 36,160.72, 54,257.04 and 12,471.88

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Solution

The fourth proportional to 36,160.72, 54,257.04 and 12,471.88 is: 18,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,160.72 : 54,257.04 = 12,471.88 : x
  2. Step 2: Convert to fraction form
    36,160.72/54,257.04 = 12,471.88/x
  3. Step 3: Cross multiply
    36,160.72x = 54,257.04 × 12,471.88
  4. Step 4: Simplify right side
    36,160.72x = 676,687,292.04
  5. Step 5: Solve for x
    x = 676,687,292.04/36,160.72
  6. Step 6: Final answer
    x = 18,713.32

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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.