Home / 40,227.81-60,318.17-12,139.44

Finding the Fourth Proportional to 40,227.81, 60,318.17 and 12,139.44

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Solution

The fourth proportional to 40,227.81, 60,318.17 and 12,139.44 is: 18,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227.81 : 60,318.17 = 12,139.44 : x
  2. Step 2: Convert to fraction form
    40,227.81/60,318.17 = 12,139.44/x
  3. Step 3: Cross multiply
    40,227.81x = 60,318.17 × 12,139.44
  4. Step 4: Simplify right side
    40,227.81x = 732,228,805.62
  5. Step 5: Solve for x
    x = 732,228,805.62/40,227.81
  6. Step 6: Final answer
    x = 18,202.05

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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.