Home / 38,016.39-57,021.42-11,721.36

Finding the Fourth Proportional to 38,016.39, 57,021.42 and 11,721.36

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Solution

The fourth proportional to 38,016.39, 57,021.42 and 11,721.36 is: 17,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.39 : 57,021.42 = 11,721.36 : x
  2. Step 2: Convert to fraction form
    38,016.39/57,021.42 = 11,721.36/x
  3. Step 3: Cross multiply
    38,016.39x = 57,021.42 × 11,721.36
  4. Step 4: Simplify right side
    38,016.39x = 668,368,591.53
  5. Step 5: Solve for x
    x = 668,368,591.53/38,016.39
  6. Step 6: Final answer
    x = 17,581.06

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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.