Home / 38,067.71-57,105.36-13,104.45

Finding the Fourth Proportional to 38,067.71, 57,105.36 and 13,104.45

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Solution

The fourth proportional to 38,067.71, 57,105.36 and 13,104.45 is: 19,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.71 : 57,105.36 = 13,104.45 : x
  2. Step 2: Convert to fraction form
    38,067.71/57,105.36 = 13,104.45/x
  3. Step 3: Cross multiply
    38,067.71x = 57,105.36 × 13,104.45
  4. Step 4: Simplify right side
    38,067.71x = 748,334,334.85
  5. Step 5: Solve for x
    x = 748,334,334.85/38,067.71
  6. Step 6: Final answer
    x = 19,657.98

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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.