Home / 40,305.33-55,618.79-22,399.27

Finding the Fourth Proportional to 40,305.33, 55,618.79 and 22,399.27

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Solution

The fourth proportional to 40,305.33, 55,618.79 and 22,399.27 is: 30,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.33 : 55,618.79 = 22,399.27 : x
  2. Step 2: Convert to fraction form
    40,305.33/55,618.79 = 22,399.27/x
  3. Step 3: Cross multiply
    40,305.33x = 55,618.79 × 22,399.27
  4. Step 4: Simplify right side
    40,305.33x = 1,245,820,043.24
  5. Step 5: Solve for x
    x = 1,245,820,043.24/40,305.33
  6. Step 6: Final answer
    x = 30,909.56

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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.