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Finding the Fourth Proportional to 33,150, 45,747 and 18,246

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Solution

The fourth proportional to 33,150, 45,747 and 18,246 is: 25,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150 : 45,747 = 18,246 : x
  2. Step 2: Convert to fraction form
    33,150/45,747 = 18,246/x
  3. Step 3: Cross multiply
    33,150x = 45,747 × 18,246
  4. Step 4: Simplify right side
    33,150x = 834,699,762
  5. Step 5: Solve for x
    x = 834,699,762/33,150
  6. Step 6: Final answer
    x = 25,179.48

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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.