Home / 40,028.34-55,236.97-22,122.28

Finding the Fourth Proportional to 40,028.34, 55,236.97 and 22,122.28

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Solution

The fourth proportional to 40,028.34, 55,236.97 and 22,122.28 is: 30,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.34 : 55,236.97 = 22,122.28 : x
  2. Step 2: Convert to fraction form
    40,028.34/55,236.97 = 22,122.28/x
  3. Step 3: Cross multiply
    40,028.34x = 55,236.97 × 22,122.28
  4. Step 4: Simplify right side
    40,028.34x = 1,221,967,813.39
  5. Step 5: Solve for x
    x = 1,221,967,813.39/40,028.34
  6. Step 6: Final answer
    x = 30,527.56

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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.