Home / 36,906.30-55,378.89-21,334.86

Finding the Fourth Proportional to 36,906.30, 55,378.89 and 21,334.86

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Solution

The fourth proportional to 36,906.30, 55,378.89 and 21,334.86 is: 32,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.30 : 55,378.89 = 21,334.86 : x
  2. Step 2: Convert to fraction form
    36,906.30/55,378.89 = 21,334.86/x
  3. Step 3: Cross multiply
    36,906.30x = 55,378.89 × 21,334.86
  4. Step 4: Simplify right side
    36,906.30x = 1,181,500,865.11
  5. Step 5: Solve for x
    x = 1,181,500,865.11/36,906.30
  6. Step 6: Final answer
    x = 32,013.53

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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.