Home / 54,069.27-81,106.14-18,555

Finding the Fourth Proportional to 54,069.27, 81,106.14 and 18,555

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Solution

The fourth proportional to 54,069.27, 81,106.14 and 18,555 is: 27,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.27 : 81,106.14 = 18,555 : x
  2. Step 2: Convert to fraction form
    54,069.27/81,106.14 = 18,555/x
  3. Step 3: Cross multiply
    54,069.27x = 81,106.14 × 18,555
  4. Step 4: Simplify right side
    54,069.27x = 1,504,924,427.70
  5. Step 5: Solve for x
    x = 1,504,924,427.70/54,069.27
  6. Step 6: Final answer
    x = 27,833.27

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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.