Home / 31,934.92-47,872.60-10,860.56

Finding the Fourth Proportional to 31,934.92, 47,872.60 and 10,860.56

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Solution

The fourth proportional to 31,934.92, 47,872.60 and 10,860.56 is: 16,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.92 : 47,872.60 = 10,860.56 : x
  2. Step 2: Convert to fraction form
    31,934.92/47,872.60 = 10,860.56/x
  3. Step 3: Cross multiply
    31,934.92x = 47,872.60 × 10,860.56
  4. Step 4: Simplify right side
    31,934.92x = 519,923,350.76
  5. Step 5: Solve for x
    x = 519,923,350.76/31,934.92
  6. Step 6: Final answer
    x = 16,280.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.