Home / 31,517.71-43,557.14-25,843.66

Finding the Fourth Proportional to 31,517.71, 43,557.14 and 25,843.66

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Solution

The fourth proportional to 31,517.71, 43,557.14 and 25,843.66 is: 35,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.71 : 43,557.14 = 25,843.66 : x
  2. Step 2: Convert to fraction form
    31,517.71/43,557.14 = 25,843.66/x
  3. Step 3: Cross multiply
    31,517.71x = 43,557.14 × 25,843.66
  4. Step 4: Simplify right side
    31,517.71x = 1,125,675,916.73
  5. Step 5: Solve for x
    x = 1,125,675,916.73/31,517.71
  6. Step 6: Final answer
    x = 35,715.66

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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.