Home / 54,553.52-81,830.28-17,119.37

Finding the Fourth Proportional to 54,553.52, 81,830.28 and 17,119.37

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Solution

The fourth proportional to 54,553.52, 81,830.28 and 17,119.37 is: 25,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.52 : 81,830.28 = 17,119.37 : x
  2. Step 2: Convert to fraction form
    54,553.52/81,830.28 = 17,119.37/x
  3. Step 3: Cross multiply
    54,553.52x = 81,830.28 × 17,119.37
  4. Step 4: Simplify right side
    54,553.52x = 1,400,882,431.37
  5. Step 5: Solve for x
    x = 1,400,882,431.37/54,553.52
  6. Step 6: Final answer
    x = 25,679.05

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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.