Home / 33,311.11-45,969.23-18,203.87

Finding the Fourth Proportional to 33,311.11, 45,969.23 and 18,203.87

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Solution

The fourth proportional to 33,311.11, 45,969.23 and 18,203.87 is: 25,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.11 : 45,969.23 = 18,203.87 : x
  2. Step 2: Convert to fraction form
    33,311.11/45,969.23 = 18,203.87/x
  3. Step 3: Cross multiply
    33,311.11x = 45,969.23 × 18,203.87
  4. Step 4: Simplify right side
    33,311.11x = 836,817,886.92
  5. Step 5: Solve for x
    x = 836,817,886.92/33,311.11
  6. Step 6: Final answer
    x = 25,121.28

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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.