Home / 31,721.52-43,775.66-17,575.28

Finding the Fourth Proportional to 31,721.52, 43,775.66 and 17,575.28

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Solution

The fourth proportional to 31,721.52, 43,775.66 and 17,575.28 is: 24,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.52 : 43,775.66 = 17,575.28 : x
  2. Step 2: Convert to fraction form
    31,721.52/43,775.66 = 17,575.28/x
  3. Step 3: Cross multiply
    31,721.52x = 43,775.66 × 17,575.28
  4. Step 4: Simplify right side
    31,721.52x = 769,369,481.68
  5. Step 5: Solve for x
    x = 769,369,481.68/31,721.52
  6. Step 6: Final answer
    x = 24,253.87

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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.