Home / 36,221.58-49,983.48-20,305.89

Finding the Fourth Proportional to 36,221.58, 49,983.48 and 20,305.89

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Solution

The fourth proportional to 36,221.58, 49,983.48 and 20,305.89 is: 28,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.58 : 49,983.48 = 20,305.89 : x
  2. Step 2: Convert to fraction form
    36,221.58/49,983.48 = 20,305.89/x
  3. Step 3: Cross multiply
    36,221.58x = 49,983.48 × 20,305.89
  4. Step 4: Simplify right side
    36,221.58x = 1,014,959,046.70
  5. Step 5: Solve for x
    x = 1,014,959,046.70/36,221.58
  6. Step 6: Final answer
    x = 28,020.84

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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.