Home / 20,729.06-31,093.49-5,937.96

Finding the Fourth Proportional to 20,729.06, 31,093.49 and 5,937.96

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Solution

The fourth proportional to 20,729.06, 31,093.49 and 5,937.96 is: 8,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.06 : 31,093.49 = 5,937.96 : x
  2. Step 2: Convert to fraction form
    20,729.06/31,093.49 = 5,937.96/x
  3. Step 3: Cross multiply
    20,729.06x = 31,093.49 × 5,937.96
  4. Step 4: Simplify right side
    20,729.06x = 184,631,870.19
  5. Step 5: Solve for x
    x = 184,631,870.19/20,729.06
  6. Step 6: Final answer
    x = 8,906.91

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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.