Home / 36,912.44-50,940.06-20,998.64

Finding the Fourth Proportional to 36,912.44, 50,940.06 and 20,998.64

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Solution

The fourth proportional to 36,912.44, 50,940.06 and 20,998.64 is: 28,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.44 : 50,940.06 = 20,998.64 : x
  2. Step 2: Convert to fraction form
    36,912.44/50,940.06 = 20,998.64/x
  3. Step 3: Cross multiply
    36,912.44x = 50,940.06 × 20,998.64
  4. Step 4: Simplify right side
    36,912.44x = 1,069,671,981.52
  5. Step 5: Solve for x
    x = 1,069,671,981.52/36,912.44
  6. Step 6: Final answer
    x = 28,978.63

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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.