Home / 40,257.20-60,395.28-12,177.48

Finding the Fourth Proportional to 40,257.20, 60,395.28 and 12,177.48

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Solution

The fourth proportional to 40,257.20, 60,395.28 and 12,177.48 is: 18,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.20 : 60,395.28 = 12,177.48 : x
  2. Step 2: Convert to fraction form
    40,257.20/60,395.28 = 12,177.48/x
  3. Step 3: Cross multiply
    40,257.20x = 60,395.28 × 12,177.48
  4. Step 4: Simplify right side
    40,257.20x = 735,462,253.41
  5. Step 5: Solve for x
    x = 735,462,253.41/40,257.20
  6. Step 6: Final answer
    x = 18,269.09

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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.