Home / 48,945.60-73,321.20-29,165.40

Finding the Fourth Proportional to 48,945.60, 73,321.20 and 29,165.40

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Solution

The fourth proportional to 48,945.60, 73,321.20 and 29,165.40 is: 43,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.60 : 73,321.20 = 29,165.40 : x
  2. Step 2: Convert to fraction form
    48,945.60/73,321.20 = 29,165.40/x
  3. Step 3: Cross multiply
    48,945.60x = 73,321.20 × 29,165.40
  4. Step 4: Simplify right side
    48,945.60x = 2,138,442,126.48
  5. Step 5: Solve for x
    x = 2,138,442,126.48/48,945.60
  6. Step 6: Final answer
    x = 43,690.18

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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.