Home / 54,371.27-81,523.37-18,824.31

Finding the Fourth Proportional to 54,371.27, 81,523.37 and 18,824.31

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Solution

The fourth proportional to 54,371.27, 81,523.37 and 18,824.31 is: 28,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.27 : 81,523.37 = 18,824.31 : x
  2. Step 2: Convert to fraction form
    54,371.27/81,523.37 = 18,824.31/x
  3. Step 3: Cross multiply
    54,371.27x = 81,523.37 × 18,824.31
  4. Step 4: Simplify right side
    54,371.27x = 1,534,621,095.00
  5. Step 5: Solve for x
    x = 1,534,621,095.00/54,371.27
  6. Step 6: Final answer
    x = 28,224.86

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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.