Home / 36,225.38-49,990.89-20,309.82

Finding the Fourth Proportional to 36,225.38, 49,990.89 and 20,309.82

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Solution

The fourth proportional to 36,225.38, 49,990.89 and 20,309.82 is: 28,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.38 : 49,990.89 = 20,309.82 : x
  2. Step 2: Convert to fraction form
    36,225.38/49,990.89 = 20,309.82/x
  3. Step 3: Cross multiply
    36,225.38x = 49,990.89 × 20,309.82
  4. Step 4: Simplify right side
    36,225.38x = 1,015,305,977.54
  5. Step 5: Solve for x
    x = 1,015,305,977.54/36,225.38
  6. Step 6: Final answer
    x = 28,027.48

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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.