Home / 49,956.20-74,922.30-28,850.60

Finding the Fourth Proportional to 49,956.20, 74,922.30 and 28,850.60

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Solution

The fourth proportional to 49,956.20, 74,922.30 and 28,850.60 is: 43,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.20 : 74,922.30 = 28,850.60 : x
  2. Step 2: Convert to fraction form
    49,956.20/74,922.30 = 28,850.60/x
  3. Step 3: Cross multiply
    49,956.20x = 74,922.30 × 28,850.60
  4. Step 4: Simplify right side
    49,956.20x = 2,161,553,308.38
  5. Step 5: Solve for x
    x = 2,161,553,308.38/49,956.20
  6. Step 6: Final answer
    x = 43,268.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.