Home / 31,852.94-47,786.79-10,791.86

Finding the Fourth Proportional to 31,852.94, 47,786.79 and 10,791.86

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Solution

The fourth proportional to 31,852.94, 47,786.79 and 10,791.86 is: 16,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.94 : 47,786.79 = 10,791.86 : x
  2. Step 2: Convert to fraction form
    31,852.94/47,786.79 = 10,791.86/x
  3. Step 3: Cross multiply
    31,852.94x = 47,786.79 × 10,791.86
  4. Step 4: Simplify right side
    31,852.94x = 515,708,347.53
  5. Step 5: Solve for x
    x = 515,708,347.53/31,852.94
  6. Step 6: Final answer
    x = 16,190.29

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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.