Home / 55,581.04-83,380.28-18,132.48

Finding the Fourth Proportional to 55,581.04, 83,380.28 and 18,132.48

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Solution

The fourth proportional to 55,581.04, 83,380.28 and 18,132.48 is: 27,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.04 : 83,380.28 = 18,132.48 : x
  2. Step 2: Convert to fraction form
    55,581.04/83,380.28 = 18,132.48/x
  3. Step 3: Cross multiply
    55,581.04x = 83,380.28 × 18,132.48
  4. Step 4: Simplify right side
    55,581.04x = 1,511,891,259.49
  5. Step 5: Solve for x
    x = 1,511,891,259.49/55,581.04
  6. Step 6: Final answer
    x = 27,201.56

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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.