Home / 33,110.28-45,691.08-18,960.38

Finding the Fourth Proportional to 33,110.28, 45,691.08 and 18,960.38

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Solution

The fourth proportional to 33,110.28, 45,691.08 and 18,960.38 is: 26,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.28 : 45,691.08 = 18,960.38 : x
  2. Step 2: Convert to fraction form
    33,110.28/45,691.08 = 18,960.38/x
  3. Step 3: Cross multiply
    33,110.28x = 45,691.08 × 18,960.38
  4. Step 4: Simplify right side
    33,110.28x = 866,320,239.41
  5. Step 5: Solve for x
    x = 866,320,239.41/33,110.28
  6. Step 6: Final answer
    x = 26,164.69

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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.