Home / 54,260.52-81,418.41-31,803.60

Finding the Fourth Proportional to 54,260.52, 81,418.41 and 31,803.60

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Solution

The fourth proportional to 54,260.52, 81,418.41 and 31,803.60 is: 47,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,260.52 : 81,418.41 = 31,803.60 : x
  2. Step 2: Convert to fraction form
    54,260.52/81,418.41 = 31,803.60/x
  3. Step 3: Cross multiply
    54,260.52x = 81,418.41 × 31,803.60
  4. Step 4: Simplify right side
    54,260.52x = 2,589,398,544.28
  5. Step 5: Solve for x
    x = 2,589,398,544.28/54,260.52
  6. Step 6: Final answer
    x = 47,721.59

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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.