Home / 37,115.10-51,218.97-20,119.37

Finding the Fourth Proportional to 37,115.10, 51,218.97 and 20,119.37

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Solution

The fourth proportional to 37,115.10, 51,218.97 and 20,119.37 is: 27,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.10 : 51,218.97 = 20,119.37 : x
  2. Step 2: Convert to fraction form
    37,115.10/51,218.97 = 20,119.37/x
  3. Step 3: Cross multiply
    37,115.10x = 51,218.97 × 20,119.37
  4. Step 4: Simplify right side
    37,115.10x = 1,030,493,408.45
  5. Step 5: Solve for x
    x = 1,030,493,408.45/37,115.10
  6. Step 6: Final answer
    x = 27,764.81

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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.