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Finding the Fourth Proportional to 63,416.92, 87,517.92 and 35,122.60

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Solution

The fourth proportional to 63,416.92, 87,517.92 and 35,122.60 is: 48,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,416.92 : 87,517.92 = 35,122.60 : x
  2. Step 2: Convert to fraction form
    63,416.92/87,517.92 = 35,122.60/x
  3. Step 3: Cross multiply
    63,416.92x = 87,517.92 × 35,122.60
  4. Step 4: Simplify right side
    63,416.92x = 3,073,856,896.99
  5. Step 5: Solve for x
    x = 3,073,856,896.99/63,416.92
  6. Step 6: Final answer
    x = 48,470.61

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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.