Home / 45,179.29-67,769.48-21,489.36

Finding the Fourth Proportional to 45,179.29, 67,769.48 and 21,489.36

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Solution

The fourth proportional to 45,179.29, 67,769.48 and 21,489.36 is: 32,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179.29 : 67,769.48 = 21,489.36 : x
  2. Step 2: Convert to fraction form
    45,179.29/67,769.48 = 21,489.36/x
  3. Step 3: Cross multiply
    45,179.29x = 67,769.48 × 21,489.36
  4. Step 4: Simplify right side
    45,179.29x = 1,456,322,752.73
  5. Step 5: Solve for x
    x = 1,456,322,752.73/45,179.29
  6. Step 6: Final answer
    x = 32,234.30

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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.