Home / 36,867.78-50,878.26-20,100.78

Finding the Fourth Proportional to 36,867.78, 50,878.26 and 20,100.78

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Solution

The fourth proportional to 36,867.78, 50,878.26 and 20,100.78 is: 27,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.78 : 50,878.26 = 20,100.78 : x
  2. Step 2: Convert to fraction form
    36,867.78/50,878.26 = 20,100.78/x
  3. Step 3: Cross multiply
    36,867.78x = 50,878.26 × 20,100.78
  4. Step 4: Simplify right side
    36,867.78x = 1,022,692,711.04
  5. Step 5: Solve for x
    x = 1,022,692,711.04/36,867.78
  6. Step 6: Final answer
    x = 27,739.47

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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.