Home / 49,587.20-74,251.20-31,961.60

Finding the Fourth Proportional to 49,587.20, 74,251.20 and 31,961.60

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Solution

The fourth proportional to 49,587.20, 74,251.20 and 31,961.60 is: 47,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.20 : 74,251.20 = 31,961.60 : x
  2. Step 2: Convert to fraction form
    49,587.20/74,251.20 = 31,961.60/x
  3. Step 3: Cross multiply
    49,587.20x = 74,251.20 × 31,961.60
  4. Step 4: Simplify right side
    49,587.20x = 2,373,187,153.92
  5. Step 5: Solve for x
    x = 2,373,187,153.92/49,587.20
  6. Step 6: Final answer
    x = 47,858.87

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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.