Home / 32,989.05-49,469.54-12,722.49

Finding the Fourth Proportional to 32,989.05, 49,469.54 and 12,722.49

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Solution

The fourth proportional to 32,989.05, 49,469.54 and 12,722.49 is: 19,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.05 : 49,469.54 = 12,722.49 : x
  2. Step 2: Convert to fraction form
    32,989.05/49,469.54 = 12,722.49/x
  3. Step 3: Cross multiply
    32,989.05x = 49,469.54 × 12,722.49
  4. Step 4: Simplify right side
    32,989.05x = 629,375,664.34
  5. Step 5: Solve for x
    x = 629,375,664.34/32,989.05
  6. Step 6: Final answer
    x = 19,078.32

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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.