Home / 31,972.57-47,972.67-17,164.20

Finding the Fourth Proportional to 31,972.57, 47,972.67 and 17,164.20

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Solution

The fourth proportional to 31,972.57, 47,972.67 and 17,164.20 is: 25,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.57 : 47,972.67 = 17,164.20 : x
  2. Step 2: Convert to fraction form
    31,972.57/47,972.67 = 17,164.20/x
  3. Step 3: Cross multiply
    31,972.57x = 47,972.67 × 17,164.20
  4. Step 4: Simplify right side
    31,972.57x = 823,412,262.55
  5. Step 5: Solve for x
    x = 823,412,262.55/31,972.57
  6. Step 6: Final answer
    x = 25,753.71

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1.5x scale

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.