Home / 31,974.32-47,975.30-17,165.94

Finding the Fourth Proportional to 31,974.32, 47,975.30 and 17,165.94

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Solution

The fourth proportional to 31,974.32, 47,975.30 and 17,165.94 is: 25,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.32 : 47,975.30 = 17,165.94 : x
  2. Step 2: Convert to fraction form
    31,974.32/47,975.30 = 17,165.94/x
  3. Step 3: Cross multiply
    31,974.32x = 47,975.30 × 17,165.94
  4. Step 4: Simplify right side
    31,974.32x = 823,541,121.28
  5. Step 5: Solve for x
    x = 823,541,121.28/31,974.32
  6. Step 6: Final answer
    x = 25,756.33

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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.