Home / 48,761.28-73,240.32-29,078.40

Finding the Fourth Proportional to 48,761.28, 73,240.32 and 29,078.40

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Solution

The fourth proportional to 48,761.28, 73,240.32 and 29,078.40 is: 43,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.28 : 73,240.32 = 29,078.40 : x
  2. Step 2: Convert to fraction form
    48,761.28/73,240.32 = 29,078.40/x
  3. Step 3: Cross multiply
    48,761.28x = 73,240.32 × 29,078.40
  4. Step 4: Simplify right side
    48,761.28x = 2,129,711,321.09
  5. Step 5: Solve for x
    x = 2,129,711,321.09/48,761.28
  6. Step 6: Final answer
    x = 43,676.28

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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.