Home / 39,934.11-59,906.57-13,631.79

Finding the Fourth Proportional to 39,934.11, 59,906.57 and 13,631.79

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Solution

The fourth proportional to 39,934.11, 59,906.57 and 13,631.79 is: 20,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.11 : 59,906.57 = 13,631.79 : x
  2. Step 2: Convert to fraction form
    39,934.11/59,906.57 = 13,631.79/x
  3. Step 3: Cross multiply
    39,934.11x = 59,906.57 × 13,631.79
  4. Step 4: Simplify right side
    39,934.11x = 816,633,713.70
  5. Step 5: Solve for x
    x = 816,633,713.70/39,934.11
  6. Step 6: Final answer
    x = 20,449.53

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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.