Home / 37,221.28-55,840.11-20,605.54

Finding the Fourth Proportional to 37,221.28, 55,840.11 and 20,605.54

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Solution

The fourth proportional to 37,221.28, 55,840.11 and 20,605.54 is: 30,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.28 : 55,840.11 = 20,605.54 : x
  2. Step 2: Convert to fraction form
    37,221.28/55,840.11 = 20,605.54/x
  3. Step 3: Cross multiply
    37,221.28x = 55,840.11 × 20,605.54
  4. Step 4: Simplify right side
    37,221.28x = 1,150,615,620.21
  5. Step 5: Solve for x
    x = 1,150,615,620.21/37,221.28
  6. Step 6: Final answer
    x = 30,912.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.