Home / 52,454.20-72,387.12-31,234.36

Finding the Fourth Proportional to 52,454.20, 72,387.12 and 31,234.36

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Solution

The fourth proportional to 52,454.20, 72,387.12 and 31,234.36 is: 43,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.20 : 72,387.12 = 31,234.36 : x
  2. Step 2: Convert to fraction form
    52,454.20/72,387.12 = 31,234.36/x
  3. Step 3: Cross multiply
    52,454.20x = 72,387.12 × 31,234.36
  4. Step 4: Simplify right side
    52,454.20x = 2,260,965,365.44
  5. Step 5: Solve for x
    x = 2,260,965,365.44/52,454.20
  6. Step 6: Final answer
    x = 43,103.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.