Home / 54,555.78-81,833.66-15,112.90

Finding the Fourth Proportional to 54,555.78, 81,833.66 and 15,112.90

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Solution

The fourth proportional to 54,555.78, 81,833.66 and 15,112.90 is: 22,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.78 : 81,833.66 = 15,112.90 : x
  2. Step 2: Convert to fraction form
    54,555.78/81,833.66 = 15,112.90/x
  3. Step 3: Cross multiply
    54,555.78x = 81,833.66 × 15,112.90
  4. Step 4: Simplify right side
    54,555.78x = 1,236,743,920.21
  5. Step 5: Solve for x
    x = 1,236,743,920.21/54,555.78
  6. Step 6: Final answer
    x = 22,669.35

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Similar ratio
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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.