Home / 33,200.46-45,786.74-21,261.49

Finding the Fourth Proportional to 33,200.46, 45,786.74 and 21,261.49

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Solution

The fourth proportional to 33,200.46, 45,786.74 and 21,261.49 is: 29,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,200.46 : 45,786.74 = 21,261.49 : x
  2. Step 2: Convert to fraction form
    33,200.46/45,786.74 = 21,261.49/x
  3. Step 3: Cross multiply
    33,200.46x = 45,786.74 × 21,261.49
  4. Step 4: Simplify right side
    33,200.46x = 973,494,314.64
  5. Step 5: Solve for x
    x = 973,494,314.64/33,200.46
  6. Step 6: Final answer
    x = 29,321.71

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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.