Home / 37,221.60-55,832.40-20,632.80

Finding the Fourth Proportional to 37,221.60, 55,832.40 and 20,632.80

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Solution

The fourth proportional to 37,221.60, 55,832.40 and 20,632.80 is: 30,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.60 : 55,832.40 = 20,632.80 : x
  2. Step 2: Convert to fraction form
    37,221.60/55,832.40 = 20,632.80/x
  3. Step 3: Cross multiply
    37,221.60x = 55,832.40 × 20,632.80
  4. Step 4: Simplify right side
    37,221.60x = 1,151,978,742.72
  5. Step 5: Solve for x
    x = 1,151,978,742.72/37,221.60
  6. Step 6: Final answer
    x = 30,949.20

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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.