Home / 39,124.66-58,691.22-12,464.36

Finding the Fourth Proportional to 39,124.66, 58,691.22 and 12,464.36

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Solution

The fourth proportional to 39,124.66, 58,691.22 and 12,464.36 is: 18,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.66 : 58,691.22 = 12,464.36 : x
  2. Step 2: Convert to fraction form
    39,124.66/58,691.22 = 12,464.36/x
  3. Step 3: Cross multiply
    39,124.66x = 58,691.22 × 12,464.36
  4. Step 4: Simplify right side
    39,124.66x = 731,548,633.73
  5. Step 5: Solve for x
    x = 731,548,633.73/39,124.66
  6. Step 6: Final answer
    x = 18,697.89

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1.5x scale

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.