Home / 33,309-45,965.58-18,201.72

Finding the Fourth Proportional to 33,309, 45,965.58 and 18,201.72

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Solution

The fourth proportional to 33,309, 45,965.58 and 18,201.72 is: 25,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309 : 45,965.58 = 18,201.72 : x
  2. Step 2: Convert to fraction form
    33,309/45,965.58 = 18,201.72/x
  3. Step 3: Cross multiply
    33,309x = 45,965.58 × 18,201.72
  4. Step 4: Simplify right side
    33,309x = 836,652,616.80
  5. Step 5: Solve for x
    x = 836,652,616.80/33,309
  6. Step 6: Final answer
    x = 25,117.91

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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.