Home / 36,790.64-50,789.97-21,688.17

Finding the Fourth Proportional to 36,790.64, 50,789.97 and 21,688.17

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Solution

The fourth proportional to 36,790.64, 50,789.97 and 21,688.17 is: 29,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,790.64 : 50,789.97 = 21,688.17 : x
  2. Step 2: Convert to fraction form
    36,790.64/50,789.97 = 21,688.17/x
  3. Step 3: Cross multiply
    36,790.64x = 50,789.97 × 21,688.17
  4. Step 4: Simplify right side
    36,790.64x = 1,101,541,503.65
  5. Step 5: Solve for x
    x = 1,101,541,503.65/36,790.64
  6. Step 6: Final answer
    x = 29,940.81

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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.