Home / 33,309.36-45,964.13-18,965.34

Finding the Fourth Proportional to 33,309.36, 45,964.13 and 18,965.34

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Solution

The fourth proportional to 33,309.36, 45,964.13 and 18,965.34 is: 26,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.36 : 45,964.13 = 18,965.34 : x
  2. Step 2: Convert to fraction form
    33,309.36/45,964.13 = 18,965.34/x
  3. Step 3: Cross multiply
    33,309.36x = 45,964.13 × 18,965.34
  4. Step 4: Simplify right side
    33,309.36x = 871,725,258.43
  5. Step 5: Solve for x
    x = 871,725,258.43/33,309.36
  6. Step 6: Final answer
    x = 26,170.58

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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.