Home / 40,568.70-55,979.24-22,661.48

Finding the Fourth Proportional to 40,568.70, 55,979.24 and 22,661.48

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Solution

The fourth proportional to 40,568.70, 55,979.24 and 22,661.48 is: 31,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.70 : 55,979.24 = 22,661.48 : x
  2. Step 2: Convert to fraction form
    40,568.70/55,979.24 = 22,661.48/x
  3. Step 3: Cross multiply
    40,568.70x = 55,979.24 × 22,661.48
  4. Step 4: Simplify right side
    40,568.70x = 1,268,572,427.68
  5. Step 5: Solve for x
    x = 1,268,572,427.68/40,568.70
  6. Step 6: Final answer
    x = 31,269.73

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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.