Home / 33,225.28-45,850.72-18,321.28

Finding the Fourth Proportional to 33,225.28, 45,850.72 and 18,321.28

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Solution

The fourth proportional to 33,225.28, 45,850.72 and 18,321.28 is: 25,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,225.28 : 45,850.72 = 18,321.28 : x
  2. Step 2: Convert to fraction form
    33,225.28/45,850.72 = 18,321.28/x
  3. Step 3: Cross multiply
    33,225.28x = 45,850.72 × 18,321.28
  4. Step 4: Simplify right side
    33,225.28x = 840,043,879.32
  5. Step 5: Solve for x
    x = 840,043,879.32/33,225.28
  6. Step 6: Final answer
    x = 25,283.27

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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.