Home / 29,334.44-40,427.31-20,836.88

Finding the Fourth Proportional to 29,334.44, 40,427.31 and 20,836.88

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Solution

The fourth proportional to 29,334.44, 40,427.31 and 20,836.88 is: 28,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,334.44 : 40,427.31 = 20,836.88 : x
  2. Step 2: Convert to fraction form
    29,334.44/40,427.31 = 20,836.88/x
  3. Step 3: Cross multiply
    29,334.44x = 40,427.31 × 20,836.88
  4. Step 4: Simplify right side
    29,334.44x = 842,379,007.19
  5. Step 5: Solve for x
    x = 842,379,007.19/29,334.44
  6. Step 6: Final answer
    x = 28,716.38

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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.