Home / 39,125.16-58,691.97-12,464.86

Finding the Fourth Proportional to 39,125.16, 58,691.97 and 12,464.86

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Solution

The fourth proportional to 39,125.16, 58,691.97 and 12,464.86 is: 18,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.16 : 58,691.97 = 12,464.86 : x
  2. Step 2: Convert to fraction form
    39,125.16/58,691.97 = 12,464.86/x
  3. Step 3: Cross multiply
    39,125.16x = 58,691.97 × 12,464.86
  4. Step 4: Simplify right side
    39,125.16x = 731,587,189.17
  5. Step 5: Solve for x
    x = 731,587,189.17/39,125.16
  6. Step 6: Final answer
    x = 18,698.64

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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.