Home / 39,998.56-55,195.32-22,093.60

Finding the Fourth Proportional to 39,998.56, 55,195.32 and 22,093.60

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Solution

The fourth proportional to 39,998.56, 55,195.32 and 22,093.60 is: 30,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.56 : 55,195.32 = 22,093.60 : x
  2. Step 2: Convert to fraction form
    39,998.56/55,195.32 = 22,093.60/x
  3. Step 3: Cross multiply
    39,998.56x = 55,195.32 × 22,093.60
  4. Step 4: Simplify right side
    39,998.56x = 1,219,463,321.95
  5. Step 5: Solve for x
    x = 1,219,463,321.95/39,998.56
  6. Step 6: Final answer
    x = 30,487.68

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1.5x scale

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.