Home / 33,309.57-45,968.27-18,203.66

Finding the Fourth Proportional to 33,309.57, 45,968.27 and 18,203.66

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Solution

The fourth proportional to 33,309.57, 45,968.27 and 18,203.66 is: 25,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.57 : 45,968.27 = 18,203.66 : x
  2. Step 2: Convert to fraction form
    33,309.57/45,968.27 = 18,203.66/x
  3. Step 3: Cross multiply
    33,309.57x = 45,968.27 × 18,203.66
  4. Step 4: Simplify right side
    33,309.57x = 836,790,437.01
  5. Step 5: Solve for x
    x = 836,790,437.01/33,309.57
  6. Step 6: Final answer
    x = 25,121.62

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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.