Home / 31,382.52-47,073.77-9,195.89

Finding the Fourth Proportional to 31,382.52, 47,073.77 and 9,195.89

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Solution

The fourth proportional to 31,382.52, 47,073.77 and 9,195.89 is: 13,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.52 : 47,073.77 = 9,195.89 : x
  2. Step 2: Convert to fraction form
    31,382.52/47,073.77 = 9,195.89/x
  3. Step 3: Cross multiply
    31,382.52x = 47,073.77 × 9,195.89
  4. Step 4: Simplify right side
    31,382.52x = 432,884,929.46
  5. Step 5: Solve for x
    x = 432,884,929.46/31,382.52
  6. Step 6: Final answer
    x = 13,793.82

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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.