Home / 50,877.39-70,211.61-28,217.31

Finding the Fourth Proportional to 50,877.39, 70,211.61 and 28,217.31

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Solution

The fourth proportional to 50,877.39, 70,211.61 and 28,217.31 is: 38,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,877.39 : 70,211.61 = 28,217.31 : x
  2. Step 2: Convert to fraction form
    50,877.39/70,211.61 = 28,217.31/x
  3. Step 3: Cross multiply
    50,877.39x = 70,211.61 × 28,217.31
  4. Step 4: Simplify right side
    50,877.39x = 1,981,182,764.97
  5. Step 5: Solve for x
    x = 1,981,182,764.97/50,877.39
  6. Step 6: Final answer
    x = 38,940.34

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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.