Home / 36,212.38-49,974.54-20,296.72

Finding the Fourth Proportional to 36,212.38, 49,974.54 and 20,296.72

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Solution

The fourth proportional to 36,212.38, 49,974.54 and 20,296.72 is: 28,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.38 : 49,974.54 = 20,296.72 : x
  2. Step 2: Convert to fraction form
    36,212.38/49,974.54 = 20,296.72/x
  3. Step 3: Cross multiply
    36,212.38x = 49,974.54 × 20,296.72
  4. Step 4: Simplify right side
    36,212.38x = 1,014,319,245.51
  5. Step 5: Solve for x
    x = 1,014,319,245.51/36,212.38
  6. Step 6: Final answer
    x = 28,010.29

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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.