Home / 33,225.12-45,850.88-18,321.12

Finding the Fourth Proportional to 33,225.12, 45,850.88 and 18,321.12

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Solution

The fourth proportional to 33,225.12, 45,850.88 and 18,321.12 is: 25,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,225.12 : 45,850.88 = 18,321.12 : x
  2. Step 2: Convert to fraction form
    33,225.12/45,850.88 = 18,321.12/x
  3. Step 3: Cross multiply
    33,225.12x = 45,850.88 × 18,321.12
  4. Step 4: Simplify right side
    33,225.12x = 840,039,474.59
  5. Step 5: Solve for x
    x = 840,039,474.59/33,225.12
  6. Step 6: Final answer
    x = 25,283.26

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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.