Home / 20,760.96-31,141.27-5,969.82

Finding the Fourth Proportional to 20,760.96, 31,141.27 and 5,969.82

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Solution

The fourth proportional to 20,760.96, 31,141.27 and 5,969.82 is: 8,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.96 : 31,141.27 = 5,969.82 : x
  2. Step 2: Convert to fraction form
    20,760.96/31,141.27 = 5,969.82/x
  3. Step 3: Cross multiply
    20,760.96x = 31,141.27 × 5,969.82
  4. Step 4: Simplify right side
    20,760.96x = 185,907,746.62
  5. Step 5: Solve for x
    x = 185,907,746.62/20,760.96
  6. Step 6: Final answer
    x = 8,954.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.