Home / 31,942.55-47,906.24-14,163.46

Finding the Fourth Proportional to 31,942.55, 47,906.24 and 14,163.46

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Solution

The fourth proportional to 31,942.55, 47,906.24 and 14,163.46 is: 21,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.55 : 47,906.24 = 14,163.46 : x
  2. Step 2: Convert to fraction form
    31,942.55/47,906.24 = 14,163.46/x
  3. Step 3: Cross multiply
    31,942.55x = 47,906.24 × 14,163.46
  4. Step 4: Simplify right side
    31,942.55x = 678,517,923.41
  5. Step 5: Solve for x
    x = 678,517,923.41/31,942.55
  6. Step 6: Final answer
    x = 21,241.82

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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.