Home / 38,076.45-57,116.30-11,781.69

Finding the Fourth Proportional to 38,076.45, 57,116.30 and 11,781.69

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Solution

The fourth proportional to 38,076.45, 57,116.30 and 11,781.69 is: 17,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.45 : 57,116.30 = 11,781.69 : x
  2. Step 2: Convert to fraction form
    38,076.45/57,116.30 = 11,781.69/x
  3. Step 3: Cross multiply
    38,076.45x = 57,116.30 × 11,781.69
  4. Step 4: Simplify right side
    38,076.45x = 672,926,481.64
  5. Step 5: Solve for x
    x = 672,926,481.64/38,076.45
  6. Step 6: Final answer
    x = 17,673.04

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1.5x scale

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.