Home / 48,136.19-72,155.07-18,542.43

Finding the Fourth Proportional to 48,136.19, 72,155.07 and 18,542.43

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Solution

The fourth proportional to 48,136.19, 72,155.07 and 18,542.43 is: 27,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.19 : 72,155.07 = 18,542.43 : x
  2. Step 2: Convert to fraction form
    48,136.19/72,155.07 = 18,542.43/x
  3. Step 3: Cross multiply
    48,136.19x = 72,155.07 × 18,542.43
  4. Step 4: Simplify right side
    48,136.19x = 1,337,930,334.62
  5. Step 5: Solve for x
    x = 1,337,930,334.62/48,136.19
  6. Step 6: Final answer
    x = 27,794.69

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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.