Home / 54,689.12-82,032.52-15,245.20

Finding the Fourth Proportional to 54,689.12, 82,032.52 and 15,245.20

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Solution

The fourth proportional to 54,689.12, 82,032.52 and 15,245.20 is: 22,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.12 : 82,032.52 = 15,245.20 : x
  2. Step 2: Convert to fraction form
    54,689.12/82,032.52 = 15,245.20/x
  3. Step 3: Cross multiply
    54,689.12x = 82,032.52 × 15,245.20
  4. Step 4: Simplify right side
    54,689.12x = 1,250,602,173.90
  5. Step 5: Solve for x
    x = 1,250,602,173.90/54,689.12
  6. Step 6: Final answer
    x = 22,867.48

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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.