Home / 41,991.28-63,008.79-18,612.25

Finding the Fourth Proportional to 41,991.28, 63,008.79 and 18,612.25

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Solution

The fourth proportional to 41,991.28, 63,008.79 and 18,612.25 is: 27,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991.28 : 63,008.79 = 18,612.25 : x
  2. Step 2: Convert to fraction form
    41,991.28/63,008.79 = 18,612.25/x
  3. Step 3: Cross multiply
    41,991.28x = 63,008.79 × 18,612.25
  4. Step 4: Simplify right side
    41,991.28x = 1,172,735,351.68
  5. Step 5: Solve for x
    x = 1,172,735,351.68/41,991.28
  6. Step 6: Final answer
    x = 27,928.07

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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.