Home / 41,886.88-57,750-34,305.28

Finding the Fourth Proportional to 41,886.88, 57,750 and 34,305.28

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Solution

The fourth proportional to 41,886.88, 57,750 and 34,305.28 is: 47,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,886.88 : 57,750 = 34,305.28 : x
  2. Step 2: Convert to fraction form
    41,886.88/57,750 = 34,305.28/x
  3. Step 3: Cross multiply
    41,886.88x = 57,750 × 34,305.28
  4. Step 4: Simplify right side
    41,886.88x = 1,981,129,920
  5. Step 5: Solve for x
    x = 1,981,129,920/41,886.88
  6. Step 6: Final answer
    x = 47,297.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.