Home / 31,717.96-43,771.86-17,571.88

Finding the Fourth Proportional to 31,717.96, 43,771.86 and 17,571.88

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Solution

The fourth proportional to 31,717.96, 43,771.86 and 17,571.88 is: 24,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.96 : 43,771.86 = 17,571.88 : x
  2. Step 2: Convert to fraction form
    31,717.96/43,771.86 = 17,571.88/x
  3. Step 3: Cross multiply
    31,717.96x = 43,771.86 × 17,571.88
  4. Step 4: Simplify right side
    31,717.96x = 769,153,871.30
  5. Step 5: Solve for x
    x = 769,153,871.30/31,717.96
  6. Step 6: Final answer
    x = 24,249.79

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1.5x scale

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.