Home / 54,327.89-81,515.25-29,385.50

Finding the Fourth Proportional to 54,327.89, 81,515.25 and 29,385.50

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Solution

The fourth proportional to 54,327.89, 81,515.25 and 29,385.50 is: 44,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.89 : 81,515.25 = 29,385.50 : x
  2. Step 2: Convert to fraction form
    54,327.89/81,515.25 = 29,385.50/x
  3. Step 3: Cross multiply
    54,327.89x = 81,515.25 × 29,385.50
  4. Step 4: Simplify right side
    54,327.89x = 2,395,366,378.88
  5. Step 5: Solve for x
    x = 2,395,366,378.88/54,327.89
  6. Step 6: Final answer
    x = 44,090.91

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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.