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Finding the Fourth Proportional to 54,244, 74,835.84 and 34,092.64

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Solution

The fourth proportional to 54,244, 74,835.84 and 34,092.64 is: 47,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244 : 74,835.84 = 34,092.64 : x
  2. Step 2: Convert to fraction form
    54,244/74,835.84 = 34,092.64/x
  3. Step 3: Cross multiply
    54,244x = 74,835.84 × 34,092.64
  4. Step 4: Simplify right side
    54,244x = 2,551,351,352.22
  5. Step 5: Solve for x
    x = 2,551,351,352.22/54,244
  6. Step 6: Final answer
    x = 47,034.72

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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.