Home / 36,129.44-49,861.17-20,215.37

Finding the Fourth Proportional to 36,129.44, 49,861.17 and 20,215.37

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Solution

The fourth proportional to 36,129.44, 49,861.17 and 20,215.37 is: 27,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.44 : 49,861.17 = 20,215.37 : x
  2. Step 2: Convert to fraction form
    36,129.44/49,861.17 = 20,215.37/x
  3. Step 3: Cross multiply
    36,129.44x = 49,861.17 × 20,215.37
  4. Step 4: Simplify right side
    36,129.44x = 1,007,962,124.84
  5. Step 5: Solve for x
    x = 1,007,962,124.84/36,129.44
  6. Step 6: Final answer
    x = 27,898.63

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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.