Home / 50,265.97-69,372.56-28,757.71

Finding the Fourth Proportional to 50,265.97, 69,372.56 and 28,757.71

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Solution

The fourth proportional to 50,265.97, 69,372.56 and 28,757.71 is: 39,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,265.97 : 69,372.56 = 28,757.71 : x
  2. Step 2: Convert to fraction form
    50,265.97/69,372.56 = 28,757.71/x
  3. Step 3: Cross multiply
    50,265.97x = 69,372.56 × 28,757.71
  4. Step 4: Simplify right side
    50,265.97x = 1,994,995,860.90
  5. Step 5: Solve for x
    x = 1,994,995,860.90/50,265.97
  6. Step 6: Final answer
    x = 39,688.80

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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.