Home / 39,634.41-54,695.48-21,729.04

Finding the Fourth Proportional to 39,634.41, 54,695.48 and 21,729.04

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Solution

The fourth proportional to 39,634.41, 54,695.48 and 21,729.04 is: 29,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,634.41 : 54,695.48 = 21,729.04 : x
  2. Step 2: Convert to fraction form
    39,634.41/54,695.48 = 21,729.04/x
  3. Step 3: Cross multiply
    39,634.41x = 54,695.48 × 21,729.04
  4. Step 4: Simplify right side
    39,634.41x = 1,188,479,965.54
  5. Step 5: Solve for x
    x = 1,188,479,965.54/39,634.41
  6. Step 6: Final answer
    x = 29,986.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.