Home / 31,791.96-43,872.48-17,644.50

Finding the Fourth Proportional to 31,791.96, 43,872.48 and 17,644.50

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Solution

The fourth proportional to 31,791.96, 43,872.48 and 17,644.50 is: 24,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.96 : 43,872.48 = 17,644.50 : x
  2. Step 2: Convert to fraction form
    31,791.96/43,872.48 = 17,644.50/x
  3. Step 3: Cross multiply
    31,791.96x = 43,872.48 × 17,644.50
  4. Step 4: Simplify right side
    31,791.96x = 774,107,973.36
  5. Step 5: Solve for x
    x = 774,107,973.36/31,791.96
  6. Step 6: Final answer
    x = 24,349.17

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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.