Home / 20,737.51-31,099.88-5,942.46

Finding the Fourth Proportional to 20,737.51, 31,099.88 and 5,942.46

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Solution

The fourth proportional to 20,737.51, 31,099.88 and 5,942.46 is: 8,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.51 : 31,099.88 = 5,942.46 : x
  2. Step 2: Convert to fraction form
    20,737.51/31,099.88 = 5,942.46/x
  3. Step 3: Cross multiply
    20,737.51x = 31,099.88 × 5,942.46
  4. Step 4: Simplify right side
    20,737.51x = 184,809,792.90
  5. Step 5: Solve for x
    x = 184,809,792.90/20,737.51
  6. Step 6: Final answer
    x = 8,911.86

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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.