Home / 37,046.10-51,120.38-21,936.05

Finding the Fourth Proportional to 37,046.10, 51,120.38 and 21,936.05

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Solution

The fourth proportional to 37,046.10, 51,120.38 and 21,936.05 is: 30,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.10 : 51,120.38 = 21,936.05 : x
  2. Step 2: Convert to fraction form
    37,046.10/51,120.38 = 21,936.05/x
  3. Step 3: Cross multiply
    37,046.10x = 51,120.38 × 21,936.05
  4. Step 4: Simplify right side
    37,046.10x = 1,121,379,211.70
  5. Step 5: Solve for x
    x = 1,121,379,211.70/37,046.10
  6. Step 6: Final answer
    x = 30,269.83

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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.