Home / 31,067.23-46,617.25-13,538.43

Finding the Fourth Proportional to 31,067.23, 46,617.25 and 13,538.43

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Solution

The fourth proportional to 31,067.23, 46,617.25 and 13,538.43 is: 20,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,067.23 : 46,617.25 = 13,538.43 : x
  2. Step 2: Convert to fraction form
    31,067.23/46,617.25 = 13,538.43/x
  3. Step 3: Cross multiply
    31,067.23x = 46,617.25 × 13,538.43
  4. Step 4: Simplify right side
    31,067.23x = 631,124,375.92
  5. Step 5: Solve for x
    x = 631,124,375.92/31,067.23
  6. Step 6: Final answer
    x = 20,314.79

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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.