Home / 21,162.24-31,743.41-5,367.27

Finding the Fourth Proportional to 21,162.24, 31,743.41 and 5,367.27

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Solution

The fourth proportional to 21,162.24, 31,743.41 and 5,367.27 is: 8,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162.24 : 31,743.41 = 5,367.27 : x
  2. Step 2: Convert to fraction form
    21,162.24/31,743.41 = 5,367.27/x
  3. Step 3: Cross multiply
    21,162.24x = 31,743.41 × 5,367.27
  4. Step 4: Simplify right side
    21,162.24x = 170,375,452.19
  5. Step 5: Solve for x
    x = 170,375,452.19/21,162.24
  6. Step 6: Final answer
    x = 8,050.92

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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.