Home / 37,819.20-52,190.07-20,823.10

Finding the Fourth Proportional to 37,819.20, 52,190.07 and 20,823.10

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Solution

The fourth proportional to 37,819.20, 52,190.07 and 20,823.10 is: 28,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819.20 : 52,190.07 = 20,823.10 : x
  2. Step 2: Convert to fraction form
    37,819.20/52,190.07 = 20,823.10/x
  3. Step 3: Cross multiply
    37,819.20x = 52,190.07 × 20,823.10
  4. Step 4: Simplify right side
    37,819.20x = 1,086,759,046.62
  5. Step 5: Solve for x
    x = 1,086,759,046.62/37,819.20
  6. Step 6: Final answer
    x = 28,735.64

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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.