Home / 49,419.82-68,194.26-28,195

Finding the Fourth Proportional to 49,419.82, 68,194.26 and 28,195

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Solution

The fourth proportional to 49,419.82, 68,194.26 and 28,195 is: 38,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.82 : 68,194.26 = 28,195 : x
  2. Step 2: Convert to fraction form
    49,419.82/68,194.26 = 28,195/x
  3. Step 3: Cross multiply
    49,419.82x = 68,194.26 × 28,195
  4. Step 4: Simplify right side
    49,419.82x = 1,922,737,160.70
  5. Step 5: Solve for x
    x = 1,922,737,160.70/49,419.82
  6. Step 6: Final answer
    x = 38,906.20

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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.