Home / 33,121.88-45,707.75-18,014.22

Finding the Fourth Proportional to 33,121.88, 45,707.75 and 18,014.22

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Solution

The fourth proportional to 33,121.88, 45,707.75 and 18,014.22 is: 24,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.88 : 45,707.75 = 18,014.22 : x
  2. Step 2: Convert to fraction form
    33,121.88/45,707.75 = 18,014.22/x
  3. Step 3: Cross multiply
    33,121.88x = 45,707.75 × 18,014.22
  4. Step 4: Simplify right side
    33,121.88x = 823,389,464.21
  5. Step 5: Solve for x
    x = 823,389,464.21/33,121.88
  6. Step 6: Final answer
    x = 24,859.38

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Half scale
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Double scale
Find fourth proportional to 33,122.88, 45,709.13 and 18,015.22
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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.