Home / 49,363.10-68,122.24-28,144.34

Finding the Fourth Proportional to 49,363.10, 68,122.24 and 28,144.34

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Solution

The fourth proportional to 49,363.10, 68,122.24 and 28,144.34 is: 38,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,363.10 : 68,122.24 = 28,144.34 : x
  2. Step 2: Convert to fraction form
    49,363.10/68,122.24 = 28,144.34/x
  3. Step 3: Cross multiply
    49,363.10x = 68,122.24 × 28,144.34
  4. Step 4: Simplify right side
    49,363.10x = 1,917,255,073.15
  5. Step 5: Solve for x
    x = 1,917,255,073.15/49,363.10
  6. Step 6: Final answer
    x = 38,839.85

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1.5x scale

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.