Home / 20,257.08-30,381.94-5,462.52

Finding the Fourth Proportional to 20,257.08, 30,381.94 and 5,462.52

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Solution

The fourth proportional to 20,257.08, 30,381.94 and 5,462.52 is: 8,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.08 : 30,381.94 = 5,462.52 : x
  2. Step 2: Convert to fraction form
    20,257.08/30,381.94 = 5,462.52/x
  3. Step 3: Cross multiply
    20,257.08x = 30,381.94 × 5,462.52
  4. Step 4: Simplify right side
    20,257.08x = 165,961,954.89
  5. Step 5: Solve for x
    x = 165,961,954.89/20,257.08
  6. Step 6: Final answer
    x = 8,192.79

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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.