Home / 31,345.13-47,003.82-14,691.71

Finding the Fourth Proportional to 31,345.13, 47,003.82 and 14,691.71

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Solution

The fourth proportional to 31,345.13, 47,003.82 and 14,691.71 is: 22,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.13 : 47,003.82 = 14,691.71 : x
  2. Step 2: Convert to fraction form
    31,345.13/47,003.82 = 14,691.71/x
  3. Step 3: Cross multiply
    31,345.13x = 47,003.82 × 14,691.71
  4. Step 4: Simplify right side
    31,345.13x = 690,566,492.33
  5. Step 5: Solve for x
    x = 690,566,492.33/31,345.13
  6. Step 6: Final answer
    x = 22,031.06

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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.