Home / 54,520.26-81,764.59-21,232.90

Finding the Fourth Proportional to 54,520.26, 81,764.59 and 21,232.90

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Solution

The fourth proportional to 54,520.26, 81,764.59 and 21,232.90 is: 31,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.26 : 81,764.59 = 21,232.90 : x
  2. Step 2: Convert to fraction form
    54,520.26/81,764.59 = 21,232.90/x
  3. Step 3: Cross multiply
    54,520.26x = 81,764.59 × 21,232.90
  4. Step 4: Simplify right side
    54,520.26x = 1,736,099,363.01
  5. Step 5: Solve for x
    x = 1,736,099,363.01/54,520.26
  6. Step 6: Final answer
    x = 31,843.20

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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.