Home / 54,089.57-81,141.19-18,541.25

Finding the Fourth Proportional to 54,089.57, 81,141.19 and 18,541.25

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Solution

The fourth proportional to 54,089.57, 81,141.19 and 18,541.25 is: 27,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.57 : 81,141.19 = 18,541.25 : x
  2. Step 2: Convert to fraction form
    54,089.57/81,141.19 = 18,541.25/x
  3. Step 3: Cross multiply
    54,089.57x = 81,141.19 × 18,541.25
  4. Step 4: Simplify right side
    54,089.57x = 1,504,458,996.38
  5. Step 5: Solve for x
    x = 1,504,458,996.38/54,089.57
  6. Step 6: Final answer
    x = 27,814.22

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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.