Home / 36,936.76-50,965.96-21,831.88

Finding the Fourth Proportional to 36,936.76, 50,965.96 and 21,831.88

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Solution

The fourth proportional to 36,936.76, 50,965.96 and 21,831.88 is: 30,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.76 : 50,965.96 = 21,831.88 : x
  2. Step 2: Convert to fraction form
    36,936.76/50,965.96 = 21,831.88/x
  3. Step 3: Cross multiply
    36,936.76x = 50,965.96 × 21,831.88
  4. Step 4: Simplify right side
    36,936.76x = 1,112,682,722.80
  5. Step 5: Solve for x
    x = 1,112,682,722.80/36,936.76
  6. Step 6: Final answer
    x = 30,123.99

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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.