Home / 40,469.78-55,846.26-22,561.32

Finding the Fourth Proportional to 40,469.78, 55,846.26 and 22,561.32

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Solution

The fourth proportional to 40,469.78, 55,846.26 and 22,561.32 is: 31,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469.78 : 55,846.26 = 22,561.32 : x
  2. Step 2: Convert to fraction form
    40,469.78/55,846.26 = 22,561.32/x
  3. Step 3: Cross multiply
    40,469.78x = 55,846.26 × 22,561.32
  4. Step 4: Simplify right side
    40,469.78x = 1,259,965,342.66
  5. Step 5: Solve for x
    x = 1,259,965,342.66/40,469.78
  6. Step 6: Final answer
    x = 31,133.49

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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.