Home / 36,234.79-54,355.92-12,542.30

Finding the Fourth Proportional to 36,234.79, 54,355.92 and 12,542.30

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Solution

The fourth proportional to 36,234.79, 54,355.92 and 12,542.30 is: 18,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,234.79 : 54,355.92 = 12,542.30 : x
  2. Step 2: Convert to fraction form
    36,234.79/54,355.92 = 12,542.30/x
  3. Step 3: Cross multiply
    36,234.79x = 54,355.92 × 12,542.30
  4. Step 4: Simplify right side
    36,234.79x = 681,748,516.74
  5. Step 5: Solve for x
    x = 681,748,516.74/36,234.79
  6. Step 6: Final answer
    x = 18,814.75

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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.