Home / 54,655.31-81,982.97-15,213.45

Finding the Fourth Proportional to 54,655.31, 81,982.97 and 15,213.45

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Solution

The fourth proportional to 54,655.31, 81,982.97 and 15,213.45 is: 22,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.31 : 81,982.97 = 15,213.45 : x
  2. Step 2: Convert to fraction form
    54,655.31/81,982.97 = 15,213.45/x
  3. Step 3: Cross multiply
    54,655.31x = 81,982.97 × 15,213.45
  4. Step 4: Simplify right side
    54,655.31x = 1,247,244,103.37
  5. Step 5: Solve for x
    x = 1,247,244,103.37/54,655.31
  6. Step 6: Final answer
    x = 22,820.18

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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.