Home / 38,180.43-57,278.94-11,887.29

Finding the Fourth Proportional to 38,180.43, 57,278.94 and 11,887.29

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Solution

The fourth proportional to 38,180.43, 57,278.94 and 11,887.29 is: 17,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.43 : 57,278.94 = 11,887.29 : x
  2. Step 2: Convert to fraction form
    38,180.43/57,278.94 = 11,887.29/x
  3. Step 3: Cross multiply
    38,180.43x = 57,278.94 × 11,887.29
  4. Step 4: Simplify right side
    38,180.43x = 680,891,370.67
  5. Step 5: Solve for x
    x = 680,891,370.67/38,180.43
  6. Step 6: Final answer
    x = 17,833.52

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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.