Home / 48,043.35-72,074.40-18,458.91

Finding the Fourth Proportional to 48,043.35, 72,074.40 and 18,458.91

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Solution

The fourth proportional to 48,043.35, 72,074.40 and 18,458.91 is: 27,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,043.35 : 72,074.40 = 18,458.91 : x
  2. Step 2: Convert to fraction form
    48,043.35/72,074.40 = 18,458.91/x
  3. Step 3: Cross multiply
    48,043.35x = 72,074.40 × 18,458.91
  4. Step 4: Simplify right side
    48,043.35x = 1,330,414,862.90
  5. Step 5: Solve for x
    x = 1,330,414,862.90/48,043.35
  6. Step 6: Final answer
    x = 27,691.97

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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.