Home / 49,393.12-68,158.64-28,171.04

Finding the Fourth Proportional to 49,393.12, 68,158.64 and 28,171.04

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Solution

The fourth proportional to 49,393.12, 68,158.64 and 28,171.04 is: 38,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,393.12 : 68,158.64 = 28,171.04 : x
  2. Step 2: Convert to fraction form
    49,393.12/68,158.64 = 28,171.04/x
  3. Step 3: Cross multiply
    49,393.12x = 68,158.64 × 28,171.04
  4. Step 4: Simplify right side
    49,393.12x = 1,920,099,773.79
  5. Step 5: Solve for x
    x = 1,920,099,773.79/49,393.12
  6. Step 6: Final answer
    x = 38,873.83

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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.