Home / 37,843.20-56,764.80-18,111.60

Finding the Fourth Proportional to 37,843.20, 56,764.80 and 18,111.60

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Solution

The fourth proportional to 37,843.20, 56,764.80 and 18,111.60 is: 27,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,843.20 : 56,764.80 = 18,111.60 : x
  2. Step 2: Convert to fraction form
    37,843.20/56,764.80 = 18,111.60/x
  3. Step 3: Cross multiply
    37,843.20x = 56,764.80 × 18,111.60
  4. Step 4: Simplify right side
    37,843.20x = 1,028,101,351.68
  5. Step 5: Solve for x
    x = 1,028,101,351.68/37,843.20
  6. Step 6: Final answer
    x = 27,167.40

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1.5x scale

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.