Home / 36,930.60-50,965.86-21,016.68

Finding the Fourth Proportional to 36,930.60, 50,965.86 and 21,016.68

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Solution

The fourth proportional to 36,930.60, 50,965.86 and 21,016.68 is: 29,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.60 : 50,965.86 = 21,016.68 : x
  2. Step 2: Convert to fraction form
    36,930.60/50,965.86 = 21,016.68/x
  3. Step 3: Cross multiply
    36,930.60x = 50,965.86 × 21,016.68
  4. Step 4: Simplify right side
    36,930.60x = 1,071,133,170.54
  5. Step 5: Solve for x
    x = 1,071,133,170.54/36,930.60
  6. Step 6: Final answer
    x = 29,003.95

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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.