Home / 37,189.37-51,321.69-20,193.77

Finding the Fourth Proportional to 37,189.37, 51,321.69 and 20,193.77

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Solution

The fourth proportional to 37,189.37, 51,321.69 and 20,193.77 is: 27,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.37 : 51,321.69 = 20,193.77 : x
  2. Step 2: Convert to fraction form
    37,189.37/51,321.69 = 20,193.77/x
  3. Step 3: Cross multiply
    37,189.37x = 51,321.69 × 20,193.77
  4. Step 4: Simplify right side
    37,189.37x = 1,036,378,147.26
  5. Step 5: Solve for x
    x = 1,036,378,147.26/37,189.37
  6. Step 6: Final answer
    x = 27,867.59

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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.