Home / 54,982.68-82,473.30-13,430.04

Finding the Fourth Proportional to 54,982.68, 82,473.30 and 13,430.04

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Solution

The fourth proportional to 54,982.68, 82,473.30 and 13,430.04 is: 20,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.68 : 82,473.30 = 13,430.04 : x
  2. Step 2: Convert to fraction form
    54,982.68/82,473.30 = 13,430.04/x
  3. Step 3: Cross multiply
    54,982.68x = 82,473.30 × 13,430.04
  4. Step 4: Simplify right side
    54,982.68x = 1,107,619,717.93
  5. Step 5: Solve for x
    x = 1,107,619,717.93/54,982.68
  6. Step 6: Final answer
    x = 20,144.88

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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.