Home / 36,072.23-49,778.72-20,156.81

Finding the Fourth Proportional to 36,072.23, 49,778.72 and 20,156.81

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Solution

The fourth proportional to 36,072.23, 49,778.72 and 20,156.81 is: 27,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.23 : 49,778.72 = 20,156.81 : x
  2. Step 2: Convert to fraction form
    36,072.23/49,778.72 = 20,156.81/x
  3. Step 3: Cross multiply
    36,072.23x = 49,778.72 × 20,156.81
  4. Step 4: Simplify right side
    36,072.23x = 1,003,380,251.48
  5. Step 5: Solve for x
    x = 1,003,380,251.48/36,072.23
  6. Step 6: Final answer
    x = 27,815.86

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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.