Home / 40,286.39-60,408.83-18,080.73

Finding the Fourth Proportional to 40,286.39, 60,408.83 and 18,080.73

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Solution

The fourth proportional to 40,286.39, 60,408.83 and 18,080.73 is: 27,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.39 : 60,408.83 = 18,080.73 : x
  2. Step 2: Convert to fraction form
    40,286.39/60,408.83 = 18,080.73/x
  3. Step 3: Cross multiply
    40,286.39x = 60,408.83 × 18,080.73
  4. Step 4: Simplify right side
    40,286.39x = 1,092,235,744.85
  5. Step 5: Solve for x
    x = 1,092,235,744.85/40,286.39
  6. Step 6: Final answer
    x = 27,111.78

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1.5x scale

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.