Home / 31,786.96-47,680.78-9,600.52

Finding the Fourth Proportional to 31,786.96, 47,680.78 and 9,600.52

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Solution

The fourth proportional to 31,786.96, 47,680.78 and 9,600.52 is: 14,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.96 : 47,680.78 = 9,600.52 : x
  2. Step 2: Convert to fraction form
    31,786.96/47,680.78 = 9,600.52/x
  3. Step 3: Cross multiply
    31,786.96x = 47,680.78 × 9,600.52
  4. Step 4: Simplify right side
    31,786.96x = 457,760,282.01
  5. Step 5: Solve for x
    x = 457,760,282.01/31,786.96
  6. Step 6: Final answer
    x = 14,400.88

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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.