Home / 54,241.14-81,367.06-18,697.78

Finding the Fourth Proportional to 54,241.14, 81,367.06 and 18,697.78

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Solution

The fourth proportional to 54,241.14, 81,367.06 and 18,697.78 is: 28,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.14 : 81,367.06 = 18,697.78 : x
  2. Step 2: Convert to fraction form
    54,241.14/81,367.06 = 18,697.78/x
  3. Step 3: Cross multiply
    54,241.14x = 81,367.06 × 18,697.78
  4. Step 4: Simplify right side
    54,241.14x = 1,521,382,886.80
  5. Step 5: Solve for x
    x = 1,521,382,886.80/54,241.14
  6. Step 6: Final answer
    x = 28,048.51

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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.