Home / 48,752.30-73,136.18-18,765.49

Finding the Fourth Proportional to 48,752.30, 73,136.18 and 18,765.49

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Solution

The fourth proportional to 48,752.30, 73,136.18 and 18,765.49 is: 28,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.30 : 73,136.18 = 18,765.49 : x
  2. Step 2: Convert to fraction form
    48,752.30/73,136.18 = 18,765.49/x
  3. Step 3: Cross multiply
    48,752.30x = 73,136.18 × 18,765.49
  4. Step 4: Simplify right side
    48,752.30x = 1,372,436,254.43
  5. Step 5: Solve for x
    x = 1,372,436,254.43/48,752.30
  6. Step 6: Final answer
    x = 28,151.21

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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.