Home / 31,972.47-44,121.14-18,542.87

Finding the Fourth Proportional to 31,972.47, 44,121.14 and 18,542.87

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Solution

The fourth proportional to 31,972.47, 44,121.14 and 18,542.87 is: 25,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.47 : 44,121.14 = 18,542.87 : x
  2. Step 2: Convert to fraction form
    31,972.47/44,121.14 = 18,542.87/x
  3. Step 3: Cross multiply
    31,972.47x = 44,121.14 × 18,542.87
  4. Step 4: Simplify right side
    31,972.47x = 818,132,249.95
  5. Step 5: Solve for x
    x = 818,132,249.95/31,972.47
  6. Step 6: Final answer
    x = 25,588.65

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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.