Home / 37,189.44-51,322.32-20,422.80

Finding the Fourth Proportional to 37,189.44, 51,322.32 and 20,422.80

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Solution

The fourth proportional to 37,189.44, 51,322.32 and 20,422.80 is: 28,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.44 : 51,322.32 = 20,422.80 : x
  2. Step 2: Convert to fraction form
    37,189.44/51,322.32 = 20,422.80/x
  3. Step 3: Cross multiply
    37,189.44x = 51,322.32 × 20,422.80
  4. Step 4: Simplify right side
    37,189.44x = 1,048,145,476.90
  5. Step 5: Solve for x
    x = 1,048,145,476.90/37,189.44
  6. Step 6: Final answer
    x = 28,183.95

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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.