Home / 39,660.44-59,469.72-20,950.52

Finding the Fourth Proportional to 39,660.44, 59,469.72 and 20,950.52

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Solution

The fourth proportional to 39,660.44, 59,469.72 and 20,950.52 is: 31,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.44 : 59,469.72 = 20,950.52 : x
  2. Step 2: Convert to fraction form
    39,660.44/59,469.72 = 20,950.52/x
  3. Step 3: Cross multiply
    39,660.44x = 59,469.72 × 20,950.52
  4. Step 4: Simplify right side
    39,660.44x = 1,245,921,558.25
  5. Step 5: Solve for x
    x = 1,245,921,558.25/39,660.44
  6. Step 6: Final answer
    x = 31,414.72

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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.