Home / 31,343.71-43,253.54-17,545.85

Finding the Fourth Proportional to 31,343.71, 43,253.54 and 17,545.85

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Solution

The fourth proportional to 31,343.71, 43,253.54 and 17,545.85 is: 24,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.71 : 43,253.54 = 17,545.85 : x
  2. Step 2: Convert to fraction form
    31,343.71/43,253.54 = 17,545.85/x
  3. Step 3: Cross multiply
    31,343.71x = 43,253.54 × 17,545.85
  4. Step 4: Simplify right side
    31,343.71x = 758,919,820.81
  5. Step 5: Solve for x
    x = 758,919,820.81/31,343.71
  6. Step 6: Final answer
    x = 24,212.83

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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.