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Finding the Fourth Proportional to 54,033.59, 81,063.03 and 18,495.30

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Solution

The fourth proportional to 54,033.59, 81,063.03 and 18,495.30 is: 27,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.59 : 81,063.03 = 18,495.30 : x
  2. Step 2: Convert to fraction form
    54,033.59/81,063.03 = 18,495.30/x
  3. Step 3: Cross multiply
    54,033.59x = 81,063.03 × 18,495.30
  4. Step 4: Simplify right side
    54,033.59x = 1,499,285,103.12
  5. Step 5: Solve for x
    x = 1,499,285,103.12/54,033.59
  6. Step 6: Final answer
    x = 27,747.28

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1.5x scale

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.