Home / 38,576.43-57,869.25-13,611.31

Finding the Fourth Proportional to 38,576.43, 57,869.25 and 13,611.31

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Solution

The fourth proportional to 38,576.43, 57,869.25 and 13,611.31 is: 20,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.43 : 57,869.25 = 13,611.31 : x
  2. Step 2: Convert to fraction form
    38,576.43/57,869.25 = 13,611.31/x
  3. Step 3: Cross multiply
    38,576.43x = 57,869.25 × 13,611.31
  4. Step 4: Simplify right side
    38,576.43x = 787,676,301.22
  5. Step 5: Solve for x
    x = 787,676,301.22/38,576.43
  6. Step 6: Final answer
    x = 20,418.59

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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.