Home / 54,647.03-75,414.78-31,988.13

Finding the Fourth Proportional to 54,647.03, 75,414.78 and 31,988.13

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Solution

The fourth proportional to 54,647.03, 75,414.78 and 31,988.13 is: 44,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,647.03 : 75,414.78 = 31,988.13 : x
  2. Step 2: Convert to fraction form
    54,647.03/75,414.78 = 31,988.13/x
  3. Step 3: Cross multiply
    54,647.03x = 75,414.78 × 31,988.13
  4. Step 4: Simplify right side
    54,647.03x = 2,412,377,786.56
  5. Step 5: Solve for x
    x = 2,412,377,786.56/54,647.03
  6. Step 6: Final answer
    x = 44,144.72

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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.