Home / 54,414.84-81,593.27-18,867.12

Finding the Fourth Proportional to 54,414.84, 81,593.27 and 18,867.12

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Solution

The fourth proportional to 54,414.84, 81,593.27 and 18,867.12 is: 28,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,414.84 : 81,593.27 = 18,867.12 : x
  2. Step 2: Convert to fraction form
    54,414.84/81,593.27 = 18,867.12/x
  3. Step 3: Cross multiply
    54,414.84x = 81,593.27 × 18,867.12
  4. Step 4: Simplify right side
    54,414.84x = 1,539,430,016.28
  5. Step 5: Solve for x
    x = 1,539,430,016.28/54,414.84
  6. Step 6: Final answer
    x = 28,290.63

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1.5x scale

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.