Home / 31,744.42-43,807.79-17,405.56

Finding the Fourth Proportional to 31,744.42, 43,807.79 and 17,405.56

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Solution

The fourth proportional to 31,744.42, 43,807.79 and 17,405.56 is: 24,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,744.42 : 43,807.79 = 17,405.56 : x
  2. Step 2: Convert to fraction form
    31,744.42/43,807.79 = 17,405.56/x
  3. Step 3: Cross multiply
    31,744.42x = 43,807.79 × 17,405.56
  4. Step 4: Simplify right side
    31,744.42x = 762,498,811.25
  5. Step 5: Solve for x
    x = 762,498,811.25/31,744.42
  6. Step 6: Final answer
    x = 24,019.94

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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.