Home / 42,517.55-58,755.13-31,888.73

Finding the Fourth Proportional to 42,517.55, 58,755.13 and 31,888.73

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Solution

The fourth proportional to 42,517.55, 58,755.13 and 31,888.73 is: 44,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517.55 : 58,755.13 = 31,888.73 : x
  2. Step 2: Convert to fraction form
    42,517.55/58,755.13 = 31,888.73/x
  3. Step 3: Cross multiply
    42,517.55x = 58,755.13 × 31,888.73
  4. Step 4: Simplify right side
    42,517.55x = 1,873,626,476.68
  5. Step 5: Solve for x
    x = 1,873,626,476.68/42,517.55
  6. Step 6: Final answer
    x = 44,067.13

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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.