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Finding the Fourth Proportional to 54,940.30, 82,425.30 and 23,351.65

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Solution

The fourth proportional to 54,940.30, 82,425.30 and 23,351.65 is: 35,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.30 : 82,425.30 = 23,351.65 : x
  2. Step 2: Convert to fraction form
    54,940.30/82,425.30 = 23,351.65/x
  3. Step 3: Cross multiply
    54,940.30x = 82,425.30 × 23,351.65
  4. Step 4: Simplify right side
    54,940.30x = 1,924,766,756.75
  5. Step 5: Solve for x
    x = 1,924,766,756.75/54,940.30
  6. Step 6: Final answer
    x = 35,033.79

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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.