Home / 54,625.20-81,963.31-28,315.59

Finding the Fourth Proportional to 54,625.20, 81,963.31 and 28,315.59

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Solution

The fourth proportional to 54,625.20, 81,963.31 and 28,315.59 is: 42,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625.20 : 81,963.31 = 28,315.59 : x
  2. Step 2: Convert to fraction form
    54,625.20/81,963.31 = 28,315.59/x
  3. Step 3: Cross multiply
    54,625.20x = 81,963.31 × 28,315.59
  4. Step 4: Simplify right side
    54,625.20x = 2,320,839,481.00
  5. Step 5: Solve for x
    x = 2,320,839,481.00/54,625.20
  6. Step 6: Final answer
    x = 42,486.61

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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.