Home / 40,466.21-55,843.13-22,561.43

Finding the Fourth Proportional to 40,466.21, 55,843.13 and 22,561.43

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Solution

The fourth proportional to 40,466.21, 55,843.13 and 22,561.43 is: 31,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466.21 : 55,843.13 = 22,561.43 : x
  2. Step 2: Convert to fraction form
    40,466.21/55,843.13 = 22,561.43/x
  3. Step 3: Cross multiply
    40,466.21x = 55,843.13 × 22,561.43
  4. Step 4: Simplify right side
    40,466.21x = 1,259,900,645.66
  5. Step 5: Solve for x
    x = 1,259,900,645.66/40,466.21
  6. Step 6: Final answer
    x = 31,134.64

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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.