Home / 40,550.28-55,958.23-22,400.64

Finding the Fourth Proportional to 40,550.28, 55,958.23 and 22,400.64

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Solution

The fourth proportional to 40,550.28, 55,958.23 and 22,400.64 is: 30,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,550.28 : 55,958.23 = 22,400.64 : x
  2. Step 2: Convert to fraction form
    40,550.28/55,958.23 = 22,400.64/x
  3. Step 3: Cross multiply
    40,550.28x = 55,958.23 × 22,400.64
  4. Step 4: Simplify right side
    40,550.28x = 1,253,500,109.27
  5. Step 5: Solve for x
    x = 1,253,500,109.27/40,550.28
  6. Step 6: Final answer
    x = 30,912.24

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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.