Home / 54,310.32-81,414.99-21,052.08

Finding the Fourth Proportional to 54,310.32, 81,414.99 and 21,052.08

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Solution

The fourth proportional to 54,310.32, 81,414.99 and 21,052.08 is: 31,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.32 : 81,414.99 = 21,052.08 : x
  2. Step 2: Convert to fraction form
    54,310.32/81,414.99 = 21,052.08/x
  3. Step 3: Cross multiply
    54,310.32x = 81,414.99 × 21,052.08
  4. Step 4: Simplify right side
    54,310.32x = 1,713,954,882.68
  5. Step 5: Solve for x
    x = 1,713,954,882.68/54,310.32
  6. Step 6: Final answer
    x = 31,558.55

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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.