Home / 48,502.24-72,737.68-18,912.80

Finding the Fourth Proportional to 48,502.24, 72,737.68 and 18,912.80

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Solution

The fourth proportional to 48,502.24, 72,737.68 and 18,912.80 is: 28,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.24 : 72,737.68 = 18,912.80 : x
  2. Step 2: Convert to fraction form
    48,502.24/72,737.68 = 18,912.80/x
  3. Step 3: Cross multiply
    48,502.24x = 72,737.68 × 18,912.80
  4. Step 4: Simplify right side
    48,502.24x = 1,375,673,194.30
  5. Step 5: Solve for x
    x = 1,375,673,194.30/48,502.24
  6. Step 6: Final answer
    x = 28,363.09

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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.