Home / 49,371.12-68,122.62-28,149.84

Finding the Fourth Proportional to 49,371.12, 68,122.62 and 28,149.84

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Solution

The fourth proportional to 49,371.12, 68,122.62 and 28,149.84 is: 38,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.12 : 68,122.62 = 28,149.84 : x
  2. Step 2: Convert to fraction form
    49,371.12/68,122.62 = 28,149.84/x
  3. Step 3: Cross multiply
    49,371.12x = 68,122.62 × 28,149.84
  4. Step 4: Simplify right side
    49,371.12x = 1,917,640,853.38
  5. Step 5: Solve for x
    x = 1,917,640,853.38/49,371.12
  6. Step 6: Final answer
    x = 38,841.35

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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.