Home / 40,385.60-60,562.88-18,198.08

Finding the Fourth Proportional to 40,385.60, 60,562.88 and 18,198.08

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Solution

The fourth proportional to 40,385.60, 60,562.88 and 18,198.08 is: 27,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.60 : 60,562.88 = 18,198.08 : x
  2. Step 2: Convert to fraction form
    40,385.60/60,562.88 = 18,198.08/x
  3. Step 3: Cross multiply
    40,385.60x = 60,562.88 × 18,198.08
  4. Step 4: Simplify right side
    40,385.60x = 1,102,128,135.27
  5. Step 5: Solve for x
    x = 1,102,128,135.27/40,385.60
  6. Step 6: Final answer
    x = 27,290.13

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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.