Home / 33,435.05-46,138.73-20,013.66

Finding the Fourth Proportional to 33,435.05, 46,138.73 and 20,013.66

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Solution

The fourth proportional to 33,435.05, 46,138.73 and 20,013.66 is: 27,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,435.05 : 46,138.73 = 20,013.66 : x
  2. Step 2: Convert to fraction form
    33,435.05/46,138.73 = 20,013.66/x
  3. Step 3: Cross multiply
    33,435.05x = 46,138.73 × 20,013.66
  4. Step 4: Simplify right side
    33,435.05x = 923,404,754.98
  5. Step 5: Solve for x
    x = 923,404,754.98/33,435.05
  6. Step 6: Final answer
    x = 27,617.87

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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.