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Finding the Fourth Proportional to 54,478.66, 81,716.63 and 22,450.66

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Solution

The fourth proportional to 54,478.66, 81,716.63 and 22,450.66 is: 33,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.66 : 81,716.63 = 22,450.66 : x
  2. Step 2: Convert to fraction form
    54,478.66/81,716.63 = 22,450.66/x
  3. Step 3: Cross multiply
    54,478.66x = 81,716.63 × 22,450.66
  4. Step 4: Simplify right side
    54,478.66x = 1,834,592,276.48
  5. Step 5: Solve for x
    x = 1,834,592,276.48/54,478.66
  6. Step 6: Final answer
    x = 33,675.43

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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.