Home / 38,601.82-57,911.25-12,306.56

Finding the Fourth Proportional to 38,601.82, 57,911.25 and 12,306.56

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Solution

The fourth proportional to 38,601.82, 57,911.25 and 12,306.56 is: 18,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.82 : 57,911.25 = 12,306.56 : x
  2. Step 2: Convert to fraction form
    38,601.82/57,911.25 = 12,306.56/x
  3. Step 3: Cross multiply
    38,601.82x = 57,911.25 × 12,306.56
  4. Step 4: Simplify right side
    38,601.82x = 712,688,272.80
  5. Step 5: Solve for x
    x = 712,688,272.80/38,601.82
  6. Step 6: Final answer
    x = 18,462.56

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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.