Home / 36,982.22-55,435.05-20,336.54

Finding the Fourth Proportional to 36,982.22, 55,435.05 and 20,336.54

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Solution

The fourth proportional to 36,982.22, 55,435.05 and 20,336.54 is: 30,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.22 : 55,435.05 = 20,336.54 : x
  2. Step 2: Convert to fraction form
    36,982.22/55,435.05 = 20,336.54/x
  3. Step 3: Cross multiply
    36,982.22x = 55,435.05 × 20,336.54
  4. Step 4: Simplify right side
    36,982.22x = 1,127,356,834.55
  5. Step 5: Solve for x
    x = 1,127,356,834.55/36,982.22
  6. Step 6: Final answer
    x = 30,483.76

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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.