Home / 31,972.47-44,124.41-18,543.61

Finding the Fourth Proportional to 31,972.47, 44,124.41 and 18,543.61

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Solution

The fourth proportional to 31,972.47, 44,124.41 and 18,543.61 is: 25,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.47 : 44,124.41 = 18,543.61 : x
  2. Step 2: Convert to fraction form
    31,972.47/44,124.41 = 18,543.61/x
  3. Step 3: Cross multiply
    31,972.47x = 44,124.41 × 18,543.61
  4. Step 4: Simplify right side
    31,972.47x = 818,225,850.52
  5. Step 5: Solve for x
    x = 818,225,850.52/31,972.47
  6. Step 6: Final answer
    x = 25,591.57

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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.