Home / 54,069.21-81,046.44-31,893.03

Finding the Fourth Proportional to 54,069.21, 81,046.44 and 31,893.03

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Solution

The fourth proportional to 54,069.21, 81,046.44 and 31,893.03 is: 47,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.21 : 81,046.44 = 31,893.03 : x
  2. Step 2: Convert to fraction form
    54,069.21/81,046.44 = 31,893.03/x
  3. Step 3: Cross multiply
    54,069.21x = 81,046.44 × 31,893.03
  4. Step 4: Simplify right side
    54,069.21x = 2,584,816,542.31
  5. Step 5: Solve for x
    x = 2,584,816,542.31/54,069.21
  6. Step 6: Final answer
    x = 47,805.70

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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.