Home / 54,231.26-81,471.76-38,475.41

Finding the Fourth Proportional to 54,231.26, 81,471.76 and 38,475.41

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Solution

The fourth proportional to 54,231.26, 81,471.76 and 38,475.41 is: 57,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.26 : 81,471.76 = 38,475.41 : x
  2. Step 2: Convert to fraction form
    54,231.26/81,471.76 = 38,475.41/x
  3. Step 3: Cross multiply
    54,231.26x = 81,471.76 × 38,475.41
  4. Step 4: Simplify right side
    54,231.26x = 3,134,658,865.87
  5. Step 5: Solve for x
    x = 3,134,658,865.87/54,231.26
  6. Step 6: Final answer
    x = 57,801.70

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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.