Home / 49,620.62-74,387.18-18,434

Finding the Fourth Proportional to 49,620.62, 74,387.18 and 18,434

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Solution

The fourth proportional to 49,620.62, 74,387.18 and 18,434 is: 27,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,620.62 : 74,387.18 = 18,434 : x
  2. Step 2: Convert to fraction form
    49,620.62/74,387.18 = 18,434/x
  3. Step 3: Cross multiply
    49,620.62x = 74,387.18 × 18,434
  4. Step 4: Simplify right side
    49,620.62x = 1,371,253,276.12
  5. Step 5: Solve for x
    x = 1,371,253,276.12/49,620.62
  6. Step 6: Final answer
    x = 27,634.75

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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.