Home / 31,836.52-47,715.49-13,104.87

Finding the Fourth Proportional to 31,836.52, 47,715.49 and 13,104.87

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Solution

The fourth proportional to 31,836.52, 47,715.49 and 13,104.87 is: 19,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.52 : 47,715.49 = 13,104.87 : x
  2. Step 2: Convert to fraction form
    31,836.52/47,715.49 = 13,104.87/x
  3. Step 3: Cross multiply
    31,836.52x = 47,715.49 × 13,104.87
  4. Step 4: Simplify right side
    31,836.52x = 625,305,293.44
  5. Step 5: Solve for x
    x = 625,305,293.44/31,836.52
  6. Step 6: Final answer
    x = 19,641.13

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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.