Home / 36,942.96-50,976.64-21,027.72

Finding the Fourth Proportional to 36,942.96, 50,976.64 and 21,027.72

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Solution

The fourth proportional to 36,942.96, 50,976.64 and 21,027.72 is: 29,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.96 : 50,976.64 = 21,027.72 : x
  2. Step 2: Convert to fraction form
    36,942.96/50,976.64 = 21,027.72/x
  3. Step 3: Cross multiply
    36,942.96x = 50,976.64 × 21,027.72
  4. Step 4: Simplify right side
    36,942.96x = 1,071,922,512.46
  5. Step 5: Solve for x
    x = 1,071,922,512.46/36,942.96
  6. Step 6: Final answer
    x = 29,015.61

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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.