Home / 49,107.93-67,766.75-28,691.88

Finding the Fourth Proportional to 49,107.93, 67,766.75 and 28,691.88

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Solution

The fourth proportional to 49,107.93, 67,766.75 and 28,691.88 is: 39,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,107.93 : 67,766.75 = 28,691.88 : x
  2. Step 2: Convert to fraction form
    49,107.93/67,766.75 = 28,691.88/x
  3. Step 3: Cross multiply
    49,107.93x = 67,766.75 × 28,691.88
  4. Step 4: Simplify right side
    49,107.93x = 1,944,355,315.53
  5. Step 5: Solve for x
    x = 1,944,355,315.53/49,107.93
  6. Step 6: Final answer
    x = 39,593.51

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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.