Home / 40,171.70-55,436.38-22,266.32

Finding the Fourth Proportional to 40,171.70, 55,436.38 and 22,266.32

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Solution

The fourth proportional to 40,171.70, 55,436.38 and 22,266.32 is: 30,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.70 : 55,436.38 = 22,266.32 : x
  2. Step 2: Convert to fraction form
    40,171.70/55,436.38 = 22,266.32/x
  3. Step 3: Cross multiply
    40,171.70x = 55,436.38 × 22,266.32
  4. Step 4: Simplify right side
    40,171.70x = 1,234,364,176.72
  5. Step 5: Solve for x
    x = 1,234,364,176.72/40,171.70
  6. Step 6: Final answer
    x = 30,727.21

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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.