Home / 40,226.56-55,513.55-22,321.31

Finding the Fourth Proportional to 40,226.56, 55,513.55 and 22,321.31

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Solution

The fourth proportional to 40,226.56, 55,513.55 and 22,321.31 is: 30,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.56 : 55,513.55 = 22,321.31 : x
  2. Step 2: Convert to fraction form
    40,226.56/55,513.55 = 22,321.31/x
  3. Step 3: Cross multiply
    40,226.56x = 55,513.55 × 22,321.31
  4. Step 4: Simplify right side
    40,226.56x = 1,239,134,936.99
  5. Step 5: Solve for x
    x = 1,239,134,936.99/40,226.56
  6. Step 6: Final answer
    x = 30,803.90

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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.