Home / 31,986.52-44,149.31-21,794.41

Finding the Fourth Proportional to 31,986.52, 44,149.31 and 21,794.41

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Solution

The fourth proportional to 31,986.52, 44,149.31 and 21,794.41 is: 30,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.52 : 44,149.31 = 21,794.41 : x
  2. Step 2: Convert to fraction form
    31,986.52/44,149.31 = 21,794.41/x
  3. Step 3: Cross multiply
    31,986.52x = 44,149.31 × 21,794.41
  4. Step 4: Simplify right side
    31,986.52x = 962,207,833.64
  5. Step 5: Solve for x
    x = 962,207,833.64/31,986.52
  6. Step 6: Final answer
    x = 30,081.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.