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Finding the Fourth Proportional to 20,737.50, 31,100.73 and 5,942.44

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Solution

The fourth proportional to 20,737.50, 31,100.73 and 5,942.44 is: 8,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.50 : 31,100.73 = 5,942.44 : x
  2. Step 2: Convert to fraction form
    20,737.50/31,100.73 = 5,942.44/x
  3. Step 3: Cross multiply
    20,737.50x = 31,100.73 × 5,942.44
  4. Step 4: Simplify right side
    20,737.50x = 184,814,221.98
  5. Step 5: Solve for x
    x = 184,814,221.98/20,737.50
  6. Step 6: Final answer
    x = 8,912.08

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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.