Home / 38,119.80-57,185.22-11,826.66

Finding the Fourth Proportional to 38,119.80, 57,185.22 and 11,826.66

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Solution

The fourth proportional to 38,119.80, 57,185.22 and 11,826.66 is: 17,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.80 : 57,185.22 = 11,826.66 : x
  2. Step 2: Convert to fraction form
    38,119.80/57,185.22 = 11,826.66/x
  3. Step 3: Cross multiply
    38,119.80x = 57,185.22 × 11,826.66
  4. Step 4: Simplify right side
    38,119.80x = 676,310,153.97
  5. Step 5: Solve for x
    x = 676,310,153.97/38,119.80
  6. Step 6: Final answer
    x = 17,741.70

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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.