Home / 40,226.55-55,515.25-22,321.60

Finding the Fourth Proportional to 40,226.55, 55,515.25 and 22,321.60

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Solution

The fourth proportional to 40,226.55, 55,515.25 and 22,321.60 is: 30,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.55 : 55,515.25 = 22,321.60 : x
  2. Step 2: Convert to fraction form
    40,226.55/55,515.25 = 22,321.60/x
  3. Step 3: Cross multiply
    40,226.55x = 55,515.25 × 22,321.60
  4. Step 4: Simplify right side
    40,226.55x = 1,239,189,186.87
  5. Step 5: Solve for x
    x = 1,239,189,186.87/40,226.55
  6. Step 6: Final answer
    x = 30,805.26

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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.