Home / 25,120.56-37,629.44-20,163.36

Finding the Fourth Proportional to 25,120.56, 37,629.44 and 20,163.36

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Solution

The fourth proportional to 25,120.56, 37,629.44 and 20,163.36 is: 30,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.56 : 37,629.44 = 20,163.36 : x
  2. Step 2: Convert to fraction form
    25,120.56/37,629.44 = 20,163.36/x
  3. Step 3: Cross multiply
    25,120.56x = 37,629.44 × 20,163.36
  4. Step 4: Simplify right side
    25,120.56x = 758,735,945.32
  5. Step 5: Solve for x
    x = 758,735,945.32/25,120.56
  6. Step 6: Final answer
    x = 30,203.78

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1.5x scale

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.