Home / 49,614.33-68,469-28,400.43

Finding the Fourth Proportional to 49,614.33, 68,469 and 28,400.43

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Solution

The fourth proportional to 49,614.33, 68,469 and 28,400.43 is: 39,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,614.33 : 68,469 = 28,400.43 : x
  2. Step 2: Convert to fraction form
    49,614.33/68,469 = 28,400.43/x
  3. Step 3: Cross multiply
    49,614.33x = 68,469 × 28,400.43
  4. Step 4: Simplify right side
    49,614.33x = 1,944,549,041.67
  5. Step 5: Solve for x
    x = 1,944,549,041.67/49,614.33
  6. Step 6: Final answer
    x = 39,193.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.