Home / 29,866.64-41,198.82-18,669.20

Finding the Fourth Proportional to 29,866.64, 41,198.82 and 18,669.20

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Solution

The fourth proportional to 29,866.64, 41,198.82 and 18,669.20 is: 25,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,866.64 : 41,198.82 = 18,669.20 : x
  2. Step 2: Convert to fraction form
    29,866.64/41,198.82 = 18,669.20/x
  3. Step 3: Cross multiply
    29,866.64x = 41,198.82 × 18,669.20
  4. Step 4: Simplify right side
    29,866.64x = 769,149,010.34
  5. Step 5: Solve for x
    x = 769,149,010.34/29,866.64
  6. Step 6: Final answer
    x = 25,752.78

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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.