Home / 31,660.14-43,691.46-17,512.92

Finding the Fourth Proportional to 31,660.14, 43,691.46 and 17,512.92

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Solution

The fourth proportional to 31,660.14, 43,691.46 and 17,512.92 is: 24,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.14 : 43,691.46 = 17,512.92 : x
  2. Step 2: Convert to fraction form
    31,660.14/43,691.46 = 17,512.92/x
  3. Step 3: Cross multiply
    31,660.14x = 43,691.46 × 17,512.92
  4. Step 4: Simplify right side
    31,660.14x = 765,165,043.66
  5. Step 5: Solve for x
    x = 765,165,043.66/31,660.14
  6. Step 6: Final answer
    x = 24,168.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.