Home / 20,731.83-31,093.49-5,937.99

Finding the Fourth Proportional to 20,731.83, 31,093.49 and 5,937.99

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Solution

The fourth proportional to 20,731.83, 31,093.49 and 5,937.99 is: 8,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731.83 : 31,093.49 = 5,937.99 : x
  2. Step 2: Convert to fraction form
    20,731.83/31,093.49 = 5,937.99/x
  3. Step 3: Cross multiply
    20,731.83x = 31,093.49 × 5,937.99
  4. Step 4: Simplify right side
    20,731.83x = 184,632,803.00
  5. Step 5: Solve for x
    x = 184,632,803.00/20,731.83
  6. Step 6: Final answer
    x = 8,905.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.