Home / 38,668.62-58,001.87-12,372.99

Finding the Fourth Proportional to 38,668.62, 58,001.87 and 12,372.99

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Solution

The fourth proportional to 38,668.62, 58,001.87 and 12,372.99 is: 18,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.62 : 58,001.87 = 12,372.99 : x
  2. Step 2: Convert to fraction form
    38,668.62/58,001.87 = 12,372.99/x
  3. Step 3: Cross multiply
    38,668.62x = 58,001.87 × 12,372.99
  4. Step 4: Simplify right side
    38,668.62x = 717,656,370.92
  5. Step 5: Solve for x
    x = 717,656,370.92/38,668.62
  6. Step 6: Final answer
    x = 18,559.14

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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.