Home / 49,671.80-68,531.87-28,158.10

Finding the Fourth Proportional to 49,671.80, 68,531.87 and 28,158.10

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Solution

The fourth proportional to 49,671.80, 68,531.87 and 28,158.10 is: 38,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,671.80 : 68,531.87 = 28,158.10 : x
  2. Step 2: Convert to fraction form
    49,671.80/68,531.87 = 28,158.10/x
  3. Step 3: Cross multiply
    49,671.80x = 68,531.87 × 28,158.10
  4. Step 4: Simplify right side
    49,671.80x = 1,929,727,147.71
  5. Step 5: Solve for x
    x = 1,929,727,147.71/49,671.80
  6. Step 6: Final answer
    x = 38,849.55

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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.