Home / 40,213.12-55,494.26-22,308.07

Finding the Fourth Proportional to 40,213.12, 55,494.26 and 22,308.07

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Solution

The fourth proportional to 40,213.12, 55,494.26 and 22,308.07 is: 30,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.12 : 55,494.26 = 22,308.07 : x
  2. Step 2: Convert to fraction form
    40,213.12/55,494.26 = 22,308.07/x
  3. Step 3: Cross multiply
    40,213.12x = 55,494.26 × 22,308.07
  4. Step 4: Simplify right side
    40,213.12x = 1,237,969,836.68
  5. Step 5: Solve for x
    x = 1,237,969,836.68/40,213.12
  6. Step 6: Final answer
    x = 30,785.22

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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.