Home / 31,939.14-47,909.25-10,591.95

Finding the Fourth Proportional to 31,939.14, 47,909.25 and 10,591.95

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Solution

The fourth proportional to 31,939.14, 47,909.25 and 10,591.95 is: 15,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.14 : 47,909.25 = 10,591.95 : x
  2. Step 2: Convert to fraction form
    31,939.14/47,909.25 = 10,591.95/x
  3. Step 3: Cross multiply
    31,939.14x = 47,909.25 × 10,591.95
  4. Step 4: Simplify right side
    31,939.14x = 507,452,380.54
  5. Step 5: Solve for x
    x = 507,452,380.54/31,939.14
  6. Step 6: Final answer
    x = 15,888.10

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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.