Home / 39,816.06-54,917.85-32,988.54

Finding the Fourth Proportional to 39,816.06, 54,917.85 and 32,988.54

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Solution

The fourth proportional to 39,816.06, 54,917.85 and 32,988.54 is: 45,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.06 : 54,917.85 = 32,988.54 : x
  2. Step 2: Convert to fraction form
    39,816.06/54,917.85 = 32,988.54/x
  3. Step 3: Cross multiply
    39,816.06x = 54,917.85 × 32,988.54
  4. Step 4: Simplify right side
    39,816.06x = 1,811,659,691.44
  5. Step 5: Solve for x
    x = 1,811,659,691.44/39,816.06
  6. Step 6: Final answer
    x = 45,500.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.