Home / 54,425.34-81,661.41-28,148.52

Finding the Fourth Proportional to 54,425.34, 81,661.41 and 28,148.52

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Solution

The fourth proportional to 54,425.34, 81,661.41 and 28,148.52 is: 42,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,425.34 : 81,661.41 = 28,148.52 : x
  2. Step 2: Convert to fraction form
    54,425.34/81,661.41 = 28,148.52/x
  3. Step 3: Cross multiply
    54,425.34x = 81,661.41 × 28,148.52
  4. Step 4: Simplify right side
    54,425.34x = 2,298,647,832.61
  5. Step 5: Solve for x
    x = 2,298,647,832.61/54,425.34
  6. Step 6: Final answer
    x = 42,234.88

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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.