Home / 20,738.80-31,098.84-5,944.34

Finding the Fourth Proportional to 20,738.80, 31,098.84 and 5,944.34

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Solution

The fourth proportional to 20,738.80, 31,098.84 and 5,944.34 is: 8,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738.80 : 31,098.84 = 5,944.34 : x
  2. Step 2: Convert to fraction form
    20,738.80/31,098.84 = 5,944.34/x
  3. Step 3: Cross multiply
    20,738.80x = 31,098.84 × 5,944.34
  4. Step 4: Simplify right side
    20,738.80x = 184,862,078.57
  5. Step 5: Solve for x
    x = 184,862,078.57/20,738.80
  6. Step 6: Final answer
    x = 8,913.83

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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.