Home / 29,989.38-44,955.06-20,131.26

Finding the Fourth Proportional to 29,989.38, 44,955.06 and 20,131.26

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Solution

The fourth proportional to 29,989.38, 44,955.06 and 20,131.26 is: 30,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.38 : 44,955.06 = 20,131.26 : x
  2. Step 2: Convert to fraction form
    29,989.38/44,955.06 = 20,131.26/x
  3. Step 3: Cross multiply
    29,989.38x = 44,955.06 × 20,131.26
  4. Step 4: Simplify right side
    29,989.38x = 905,002,001.18
  5. Step 5: Solve for x
    x = 905,002,001.18/29,989.38
  6. Step 6: Final answer
    x = 30,177.42

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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.