Home / 37,189.57-51,321.56-20,422.57

Finding the Fourth Proportional to 37,189.57, 51,321.56 and 20,422.57

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Solution

The fourth proportional to 37,189.57, 51,321.56 and 20,422.57 is: 28,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.57 : 51,321.56 = 20,422.57 : x
  2. Step 2: Convert to fraction form
    37,189.57/51,321.56 = 20,422.57/x
  3. Step 3: Cross multiply
    37,189.57x = 51,321.56 × 20,422.57
  4. Step 4: Simplify right side
    37,189.57x = 1,048,118,074.36
  5. Step 5: Solve for x
    x = 1,048,118,074.36/37,189.57
  6. Step 6: Final answer
    x = 28,183.12

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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.