Home / 31,161.60-43,006.68-17,737.20

Finding the Fourth Proportional to 31,161.60, 43,006.68 and 17,737.20

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Solution

The fourth proportional to 31,161.60, 43,006.68 and 17,737.20 is: 24,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.60 : 43,006.68 = 17,737.20 : x
  2. Step 2: Convert to fraction form
    31,161.60/43,006.68 = 17,737.20/x
  3. Step 3: Cross multiply
    31,161.60x = 43,006.68 × 17,737.20
  4. Step 4: Simplify right side
    31,161.60x = 762,818,084.50
  5. Step 5: Solve for x
    x = 762,818,084.50/31,161.60
  6. Step 6: Final answer
    x = 24,479.43

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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.