Home / 54,687.15-75,466.89-31,721.03

Finding the Fourth Proportional to 54,687.15, 75,466.89 and 31,721.03

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Solution

The fourth proportional to 54,687.15, 75,466.89 and 31,721.03 is: 43,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.15 : 75,466.89 = 31,721.03 : x
  2. Step 2: Convert to fraction form
    54,687.15/75,466.89 = 31,721.03/x
  3. Step 3: Cross multiply
    54,687.15x = 75,466.89 × 31,721.03
  4. Step 4: Simplify right side
    54,687.15x = 2,393,887,104.36
  5. Step 5: Solve for x
    x = 2,393,887,104.36/54,687.15
  6. Step 6: Final answer
    x = 43,774.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.