Home / 31,335.85-47,001.25-14,691.61

Finding the Fourth Proportional to 31,335.85, 47,001.25 and 14,691.61

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Solution

The fourth proportional to 31,335.85, 47,001.25 and 14,691.61 is: 22,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.85 : 47,001.25 = 14,691.61 : x
  2. Step 2: Convert to fraction form
    31,335.85/47,001.25 = 14,691.61/x
  3. Step 3: Cross multiply
    31,335.85x = 47,001.25 × 14,691.61
  4. Step 4: Simplify right side
    31,335.85x = 690,524,034.51
  5. Step 5: Solve for x
    x = 690,524,034.51/31,335.85
  6. Step 6: Final answer
    x = 22,036.23

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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.