Home / 49,104.20-67,772.62-28,959.90

Finding the Fourth Proportional to 49,104.20, 67,772.62 and 28,959.90

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Solution

The fourth proportional to 49,104.20, 67,772.62 and 28,959.90 is: 39,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,104.20 : 67,772.62 = 28,959.90 : x
  2. Step 2: Convert to fraction form
    49,104.20/67,772.62 = 28,959.90/x
  3. Step 3: Cross multiply
    49,104.20x = 67,772.62 × 28,959.90
  4. Step 4: Simplify right side
    49,104.20x = 1,962,688,297.94
  5. Step 5: Solve for x
    x = 1,962,688,297.94/49,104.20
  6. Step 6: Final answer
    x = 39,969.87

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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.