Home / 37,711.25-52,040.09-20,945.33

Finding the Fourth Proportional to 37,711.25, 52,040.09 and 20,945.33

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Solution

The fourth proportional to 37,711.25, 52,040.09 and 20,945.33 is: 28,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,711.25 : 52,040.09 = 20,945.33 : x
  2. Step 2: Convert to fraction form
    37,711.25/52,040.09 = 20,945.33/x
  3. Step 3: Cross multiply
    37,711.25x = 52,040.09 × 20,945.33
  4. Step 4: Simplify right side
    37,711.25x = 1,089,996,493.35
  5. Step 5: Solve for x
    x = 1,089,996,493.35/37,711.25
  6. Step 6: Final answer
    x = 28,903.75

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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.