Home / 37,855.52-52,239.92-20,861.33

Finding the Fourth Proportional to 37,855.52, 52,239.92 and 20,861.33

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Solution

The fourth proportional to 37,855.52, 52,239.92 and 20,861.33 is: 28,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.52 : 52,239.92 = 20,861.33 : x
  2. Step 2: Convert to fraction form
    37,855.52/52,239.92 = 20,861.33/x
  3. Step 3: Cross multiply
    37,855.52x = 52,239.92 × 20,861.33
  4. Step 4: Simplify right side
    37,855.52x = 1,089,793,949.09
  5. Step 5: Solve for x
    x = 1,089,793,949.09/37,855.52
  6. Step 6: Final answer
    x = 28,788.25

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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.