Home / 37,840.75-52,220.25-21,073.75

Finding the Fourth Proportional to 37,840.75, 52,220.25 and 21,073.75

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Solution

The fourth proportional to 37,840.75, 52,220.25 and 21,073.75 is: 29,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.75 : 52,220.25 = 21,073.75 : x
  2. Step 2: Convert to fraction form
    37,840.75/52,220.25 = 21,073.75/x
  3. Step 3: Cross multiply
    37,840.75x = 52,220.25 × 21,073.75
  4. Step 4: Simplify right side
    37,840.75x = 1,100,476,493.44
  5. Step 5: Solve for x
    x = 1,100,476,493.44/37,840.75
  6. Step 6: Final answer
    x = 29,081.78

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Half scale
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Double scale
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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.