Home / 31,691.38-43,734.45-17,544.46

Finding the Fourth Proportional to 31,691.38, 43,734.45 and 17,544.46

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Solution

The fourth proportional to 31,691.38, 43,734.45 and 17,544.46 is: 24,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.38 : 43,734.45 = 17,544.46 : x
  2. Step 2: Convert to fraction form
    31,691.38/43,734.45 = 17,544.46/x
  3. Step 3: Cross multiply
    31,691.38x = 43,734.45 × 17,544.46
  4. Step 4: Simplify right side
    31,691.38x = 767,297,308.65
  5. Step 5: Solve for x
    x = 767,297,308.65/31,691.38
  6. Step 6: Final answer
    x = 24,211.55

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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.