Home / 54,687.12-82,029.52-15,243.20

Finding the Fourth Proportional to 54,687.12, 82,029.52 and 15,243.20

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Solution

The fourth proportional to 54,687.12, 82,029.52 and 15,243.20 is: 22,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.12 : 82,029.52 = 15,243.20 : x
  2. Step 2: Convert to fraction form
    54,687.12/82,029.52 = 15,243.20/x
  3. Step 3: Cross multiply
    54,687.12x = 82,029.52 × 15,243.20
  4. Step 4: Simplify right side
    54,687.12x = 1,250,392,379.26
  5. Step 5: Solve for x
    x = 1,250,392,379.26/54,687.12
  6. Step 6: Final answer
    x = 22,864.48

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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.