Home / 33,431.24-50,113.09-20,960.02

Finding the Fourth Proportional to 33,431.24, 50,113.09 and 20,960.02

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Solution

The fourth proportional to 33,431.24, 50,113.09 and 20,960.02 is: 31,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.24 : 50,113.09 = 20,960.02 : x
  2. Step 2: Convert to fraction form
    33,431.24/50,113.09 = 20,960.02/x
  3. Step 3: Cross multiply
    33,431.24x = 50,113.09 × 20,960.02
  4. Step 4: Simplify right side
    33,431.24x = 1,050,371,190.98
  5. Step 5: Solve for x
    x = 1,050,371,190.98/33,431.24
  6. Step 6: Final answer
    x = 31,418.85

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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.