Home / 40,286.46-60,408.92-18,080.80

Finding the Fourth Proportional to 40,286.46, 60,408.92 and 18,080.80

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Solution

The fourth proportional to 40,286.46, 60,408.92 and 18,080.80 is: 27,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.46 : 60,408.92 = 18,080.80 : x
  2. Step 2: Convert to fraction form
    40,286.46/60,408.92 = 18,080.80/x
  3. Step 3: Cross multiply
    40,286.46x = 60,408.92 × 18,080.80
  4. Step 4: Simplify right side
    40,286.46x = 1,092,241,600.74
  5. Step 5: Solve for x
    x = 1,092,241,600.74/40,286.46
  6. Step 6: Final answer
    x = 27,111.88

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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.