Home / 31,721.88-43,776.42-17,574.96

Finding the Fourth Proportional to 31,721.88, 43,776.42 and 17,574.96

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Solution

The fourth proportional to 31,721.88, 43,776.42 and 17,574.96 is: 24,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.88 : 43,776.42 = 17,574.96 : x
  2. Step 2: Convert to fraction form
    31,721.88/43,776.42 = 17,574.96/x
  3. Step 3: Cross multiply
    31,721.88x = 43,776.42 × 17,574.96
  4. Step 4: Simplify right side
    31,721.88x = 769,368,830.44
  5. Step 5: Solve for x
    x = 769,368,830.44/31,721.88
  6. Step 6: Final answer
    x = 24,253.57

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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.