Home / 36,239.50-50,010.60-21,142.54

Finding the Fourth Proportional to 36,239.50, 50,010.60 and 21,142.54

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Solution

The fourth proportional to 36,239.50, 50,010.60 and 21,142.54 is: 29,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.50 : 50,010.60 = 21,142.54 : x
  2. Step 2: Convert to fraction form
    36,239.50/50,010.60 = 21,142.54/x
  3. Step 3: Cross multiply
    36,239.50x = 50,010.60 × 21,142.54
  4. Step 4: Simplify right side
    36,239.50x = 1,057,351,110.92
  5. Step 5: Solve for x
    x = 1,057,351,110.92/36,239.50
  6. Step 6: Final answer
    x = 29,176.76

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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.