Home / 38,960.82-58,455.80-20,229.17

Finding the Fourth Proportional to 38,960.82, 58,455.80 and 20,229.17

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Solution

The fourth proportional to 38,960.82, 58,455.80 and 20,229.17 is: 30,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.82 : 58,455.80 = 20,229.17 : x
  2. Step 2: Convert to fraction form
    38,960.82/58,455.80 = 20,229.17/x
  3. Step 3: Cross multiply
    38,960.82x = 58,455.80 × 20,229.17
  4. Step 4: Simplify right side
    38,960.82x = 1,182,511,922.26
  5. Step 5: Solve for x
    x = 1,182,511,922.26/38,960.82
  6. Step 6: Final answer
    x = 30,351.31

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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.