Home / 40,171.76-55,436.13-22,266.61

Finding the Fourth Proportional to 40,171.76, 55,436.13 and 22,266.61

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Solution

The fourth proportional to 40,171.76, 55,436.13 and 22,266.61 is: 30,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.76 : 55,436.13 = 22,266.61 : x
  2. Step 2: Convert to fraction form
    40,171.76/55,436.13 = 22,266.61/x
  3. Step 3: Cross multiply
    40,171.76x = 55,436.13 × 22,266.61
  4. Step 4: Simplify right side
    40,171.76x = 1,234,374,548.03
  5. Step 5: Solve for x
    x = 1,234,374,548.03/40,171.76
  6. Step 6: Final answer
    x = 30,727.42

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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.