Home / 33,325.80-45,997.38-21,997.32

Finding the Fourth Proportional to 33,325.80, 45,997.38 and 21,997.32

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Solution

The fourth proportional to 33,325.80, 45,997.38 and 21,997.32 is: 30,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.80 : 45,997.38 = 21,997.32 : x
  2. Step 2: Convert to fraction form
    33,325.80/45,997.38 = 21,997.32/x
  3. Step 3: Cross multiply
    33,325.80x = 45,997.38 × 21,997.32
  4. Step 4: Simplify right side
    33,325.80x = 1,011,819,087.02
  5. Step 5: Solve for x
    x = 1,011,819,087.02/33,325.80
  6. Step 6: Final answer
    x = 30,361.43

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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.