Home / 20,842.08-31,266.20-6,049.08

Finding the Fourth Proportional to 20,842.08, 31,266.20 and 6,049.08

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Solution

The fourth proportional to 20,842.08, 31,266.20 and 6,049.08 is: 9,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.08 : 31,266.20 = 6,049.08 : x
  2. Step 2: Convert to fraction form
    20,842.08/31,266.20 = 6,049.08/x
  3. Step 3: Cross multiply
    20,842.08x = 31,266.20 × 6,049.08
  4. Step 4: Simplify right side
    20,842.08x = 189,131,745.10
  5. Step 5: Solve for x
    x = 189,131,745.10/20,842.08
  6. Step 6: Final answer
    x = 9,074.51

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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.