Home / 40,568.12-55,979.98-22,662.74

Finding the Fourth Proportional to 40,568.12, 55,979.98 and 22,662.74

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Solution

The fourth proportional to 40,568.12, 55,979.98 and 22,662.74 is: 31,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.12 : 55,979.98 = 22,662.74 : x
  2. Step 2: Convert to fraction form
    40,568.12/55,979.98 = 22,662.74/x
  3. Step 3: Cross multiply
    40,568.12x = 55,979.98 × 22,662.74
  4. Step 4: Simplify right side
    40,568.12x = 1,268,659,731.95
  5. Step 5: Solve for x
    x = 1,268,659,731.95/40,568.12
  6. Step 6: Final answer
    x = 31,272.33

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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.