Home / 49,390.08-68,157.61-28,169.70

Finding the Fourth Proportional to 49,390.08, 68,157.61 and 28,169.70

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Solution

The fourth proportional to 49,390.08, 68,157.61 and 28,169.70 is: 38,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.08 : 68,157.61 = 28,169.70 : x
  2. Step 2: Convert to fraction form
    49,390.08/68,157.61 = 28,169.70/x
  3. Step 3: Cross multiply
    49,390.08x = 68,157.61 × 28,169.70
  4. Step 4: Simplify right side
    49,390.08x = 1,919,979,426.42
  5. Step 5: Solve for x
    x = 1,919,979,426.42/49,390.08
  6. Step 6: Final answer
    x = 38,873.79

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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.