Home / 54,454.44-81,694.62-21,175.32

Finding the Fourth Proportional to 54,454.44, 81,694.62 and 21,175.32

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Solution

The fourth proportional to 54,454.44, 81,694.62 and 21,175.32 is: 31,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.44 : 81,694.62 = 21,175.32 : x
  2. Step 2: Convert to fraction form
    54,454.44/81,694.62 = 21,175.32/x
  3. Step 3: Cross multiply
    54,454.44x = 81,694.62 × 21,175.32
  4. Step 4: Simplify right side
    54,454.44x = 1,729,909,720.78
  5. Step 5: Solve for x
    x = 1,729,909,720.78/54,454.44
  6. Step 6: Final answer
    x = 31,768.02

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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.