Home / 36,896.70-50,912.75-20,981.48

Finding the Fourth Proportional to 36,896.70, 50,912.75 and 20,981.48

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Solution

The fourth proportional to 36,896.70, 50,912.75 and 20,981.48 is: 28,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.70 : 50,912.75 = 20,981.48 : x
  2. Step 2: Convert to fraction form
    36,896.70/50,912.75 = 20,981.48/x
  3. Step 3: Cross multiply
    36,896.70x = 50,912.75 × 20,981.48
  4. Step 4: Simplify right side
    36,896.70x = 1,068,224,845.87
  5. Step 5: Solve for x
    x = 1,068,224,845.87/36,896.70
  6. Step 6: Final answer
    x = 28,951.77

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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.