Home / 38,546.88-57,844.92-21,016.70

Finding the Fourth Proportional to 38,546.88, 57,844.92 and 21,016.70

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Solution

The fourth proportional to 38,546.88, 57,844.92 and 21,016.70 is: 31,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,546.88 : 57,844.92 = 21,016.70 : x
  2. Step 2: Convert to fraction form
    38,546.88/57,844.92 = 21,016.70/x
  3. Step 3: Cross multiply
    38,546.88x = 57,844.92 × 21,016.70
  4. Step 4: Simplify right side
    38,546.88x = 1,215,709,330.16
  5. Step 5: Solve for x
    x = 1,215,709,330.16/38,546.88
  6. Step 6: Final answer
    x = 31,538.46

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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.