Home / 31,932.20-44,066.40-18,511.24

Finding the Fourth Proportional to 31,932.20, 44,066.40 and 18,511.24

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Solution

The fourth proportional to 31,932.20, 44,066.40 and 18,511.24 is: 25,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.20 : 44,066.40 = 18,511.24 : x
  2. Step 2: Convert to fraction form
    31,932.20/44,066.40 = 18,511.24/x
  3. Step 3: Cross multiply
    31,932.20x = 44,066.40 × 18,511.24
  4. Step 4: Simplify right side
    31,932.20x = 815,723,706.34
  5. Step 5: Solve for x
    x = 815,723,706.34/31,932.20
  6. Step 6: Final answer
    x = 25,545.49

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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.