Home / 33,303.45-45,958.21-18,195.78

Finding the Fourth Proportional to 33,303.45, 45,958.21 and 18,195.78

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Solution

The fourth proportional to 33,303.45, 45,958.21 and 18,195.78 is: 25,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303.45 : 45,958.21 = 18,195.78 : x
  2. Step 2: Convert to fraction form
    33,303.45/45,958.21 = 18,195.78/x
  3. Step 3: Cross multiply
    33,303.45x = 45,958.21 × 18,195.78
  4. Step 4: Simplify right side
    33,303.45x = 836,245,621.39
  5. Step 5: Solve for x
    x = 836,245,621.39/33,303.45
  6. Step 6: Final answer
    x = 25,109.88

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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.