Home / 54,554.78-81,832.16-15,111.90

Finding the Fourth Proportional to 54,554.78, 81,832.16 and 15,111.90

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Solution

The fourth proportional to 54,554.78, 81,832.16 and 15,111.90 is: 22,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.78 : 81,832.16 = 15,111.90 : x
  2. Step 2: Convert to fraction form
    54,554.78/81,832.16 = 15,111.90/x
  3. Step 3: Cross multiply
    54,554.78x = 81,832.16 × 15,111.90
  4. Step 4: Simplify right side
    54,554.78x = 1,236,639,456.48
  5. Step 5: Solve for x
    x = 1,236,639,456.48/54,554.78
  6. Step 6: Final answer
    x = 22,667.85

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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.