Home / 38,067.30-57,109.05-11,774.70

Finding the Fourth Proportional to 38,067.30, 57,109.05 and 11,774.70

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Solution

The fourth proportional to 38,067.30, 57,109.05 and 11,774.70 is: 17,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.30 : 57,109.05 = 11,774.70 : x
  2. Step 2: Convert to fraction form
    38,067.30/57,109.05 = 11,774.70/x
  3. Step 3: Cross multiply
    38,067.30x = 57,109.05 × 11,774.70
  4. Step 4: Simplify right side
    38,067.30x = 672,441,931.04
  5. Step 5: Solve for x
    x = 672,441,931.04/38,067.30
  6. Step 6: Final answer
    x = 17,664.56

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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.