Home / 20,823.30-31,236.57-6,032.43

Finding the Fourth Proportional to 20,823.30, 31,236.57 and 6,032.43

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Solution

The fourth proportional to 20,823.30, 31,236.57 and 6,032.43 is: 9,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823.30 : 31,236.57 = 6,032.43 : x
  2. Step 2: Convert to fraction form
    20,823.30/31,236.57 = 6,032.43/x
  3. Step 3: Cross multiply
    20,823.30x = 31,236.57 × 6,032.43
  4. Step 4: Simplify right side
    20,823.30x = 188,432,421.97
  5. Step 5: Solve for x
    x = 188,432,421.97/20,823.30
  6. Step 6: Final answer
    x = 9,049.11

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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.