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Finding the Fourth Proportional to 44,152.80, 66,229.20 and 41,215.20

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Solution

The fourth proportional to 44,152.80, 66,229.20 and 41,215.20 is: 61,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,152.80 : 66,229.20 = 41,215.20 : x
  2. Step 2: Convert to fraction form
    44,152.80/66,229.20 = 41,215.20/x
  3. Step 3: Cross multiply
    44,152.80x = 66,229.20 × 41,215.20
  4. Step 4: Simplify right side
    44,152.80x = 2,729,649,723.84
  5. Step 5: Solve for x
    x = 2,729,649,723.84/44,152.80
  6. Step 6: Final answer
    x = 61,822.80

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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.