Home / 20,822.74-31,233.90-6,031.54

Finding the Fourth Proportional to 20,822.74, 31,233.90 and 6,031.54

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Solution

The fourth proportional to 20,822.74, 31,233.90 and 6,031.54 is: 9,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822.74 : 31,233.90 = 6,031.54 : x
  2. Step 2: Convert to fraction form
    20,822.74/31,233.90 = 6,031.54/x
  3. Step 3: Cross multiply
    20,822.74x = 31,233.90 × 6,031.54
  4. Step 4: Simplify right side
    20,822.74x = 188,388,517.21
  5. Step 5: Solve for x
    x = 188,388,517.21/20,822.74
  6. Step 6: Final answer
    x = 9,047.25

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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.