Home / 44,115.60-66,076.20-39,190.80

Finding the Fourth Proportional to 44,115.60, 66,076.20 and 39,190.80

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Solution

The fourth proportional to 44,115.60, 66,076.20 and 39,190.80 is: 58,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,115.60 : 66,076.20 = 39,190.80 : x
  2. Step 2: Convert to fraction form
    44,115.60/66,076.20 = 39,190.80/x
  3. Step 3: Cross multiply
    44,115.60x = 66,076.20 × 39,190.80
  4. Step 4: Simplify right side
    44,115.60x = 2,589,579,138.96
  5. Step 5: Solve for x
    x = 2,589,579,138.96/44,115.60
  6. Step 6: Final answer
    x = 58,699.85

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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.