Home / 37,189.44-51,321.76-20,422.56

Finding the Fourth Proportional to 37,189.44, 51,321.76 and 20,422.56

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Solution

The fourth proportional to 37,189.44, 51,321.76 and 20,422.56 is: 28,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.44 : 51,321.76 = 20,422.56 : x
  2. Step 2: Convert to fraction form
    37,189.44/51,321.76 = 20,422.56/x
  3. Step 3: Cross multiply
    37,189.44x = 51,321.76 × 20,422.56
  4. Step 4: Simplify right side
    37,189.44x = 1,048,121,722.91
  5. Step 5: Solve for x
    x = 1,048,121,722.91/37,189.44
  6. Step 6: Final answer
    x = 28,183.32

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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.