Home / 37,805.97-52,171.82-20,809.85

Finding the Fourth Proportional to 37,805.97, 52,171.82 and 20,809.85

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Solution

The fourth proportional to 37,805.97, 52,171.82 and 20,809.85 is: 28,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.97 : 52,171.82 = 20,809.85 : x
  2. Step 2: Convert to fraction form
    37,805.97/52,171.82 = 20,809.85/x
  3. Step 3: Cross multiply
    37,805.97x = 52,171.82 × 20,809.85
  4. Step 4: Simplify right side
    37,805.97x = 1,085,687,461.56
  5. Step 5: Solve for x
    x = 1,085,687,461.56/37,805.97
  6. Step 6: Final answer
    x = 28,717.35

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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.