Home / 36,631.94-54,947.31-11,671.65

Finding the Fourth Proportional to 36,631.94, 54,947.31 and 11,671.65

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Solution

The fourth proportional to 36,631.94, 54,947.31 and 11,671.65 is: 17,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.94 : 54,947.31 = 11,671.65 : x
  2. Step 2: Convert to fraction form
    36,631.94/54,947.31 = 11,671.65/x
  3. Step 3: Cross multiply
    36,631.94x = 54,947.31 × 11,671.65
  4. Step 4: Simplify right side
    36,631.94x = 641,325,645.85
  5. Step 5: Solve for x
    x = 641,325,645.85/36,631.94
  6. Step 6: Final answer
    x = 17,507.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.