Home / 54,204.68-81,260.30-20,948.08

Finding the Fourth Proportional to 54,204.68, 81,260.30 and 20,948.08

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Solution

The fourth proportional to 54,204.68, 81,260.30 and 20,948.08 is: 31,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,204.68 : 81,260.30 = 20,948.08 : x
  2. Step 2: Convert to fraction form
    54,204.68/81,260.30 = 20,948.08/x
  3. Step 3: Cross multiply
    54,204.68x = 81,260.30 × 20,948.08
  4. Step 4: Simplify right side
    54,204.68x = 1,702,247,265.22
  5. Step 5: Solve for x
    x = 1,702,247,265.22/54,204.68
  6. Step 6: Final answer
    x = 31,404.06

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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.