Home / 40,267.36-60,377.19-12,178.90

Finding the Fourth Proportional to 40,267.36, 60,377.19 and 12,178.90

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Solution

The fourth proportional to 40,267.36, 60,377.19 and 12,178.90 is: 18,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.36 : 60,377.19 = 12,178.90 : x
  2. Step 2: Convert to fraction form
    40,267.36/60,377.19 = 12,178.90/x
  3. Step 3: Cross multiply
    40,267.36x = 60,377.19 × 12,178.90
  4. Step 4: Simplify right side
    40,267.36x = 735,327,759.29
  5. Step 5: Solve for x
    x = 735,327,759.29/40,267.36
  6. Step 6: Final answer
    x = 18,261.14

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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.