Home / 54,974.08-75,864.24-31,100.26

Finding the Fourth Proportional to 54,974.08, 75,864.24 and 31,100.26

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Solution

The fourth proportional to 54,974.08, 75,864.24 and 31,100.26 is: 42,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.08 : 75,864.24 = 31,100.26 : x
  2. Step 2: Convert to fraction form
    54,974.08/75,864.24 = 31,100.26/x
  3. Step 3: Cross multiply
    54,974.08x = 75,864.24 × 31,100.26
  4. Step 4: Simplify right side
    54,974.08x = 2,359,397,588.70
  5. Step 5: Solve for x
    x = 2,359,397,588.70/54,974.08
  6. Step 6: Final answer
    x = 42,918.36

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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.