Home / 36,936.08-50,969.76-20,168.72

Finding the Fourth Proportional to 36,936.08, 50,969.76 and 20,168.72

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Solution

The fourth proportional to 36,936.08, 50,969.76 and 20,168.72 is: 27,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.08 : 50,969.76 = 20,168.72 : x
  2. Step 2: Convert to fraction form
    36,936.08/50,969.76 = 20,168.72/x
  3. Step 3: Cross multiply
    36,936.08x = 50,969.76 × 20,168.72
  4. Step 4: Simplify right side
    36,936.08x = 1,027,994,817.91
  5. Step 5: Solve for x
    x = 1,027,994,817.91/36,936.08
  6. Step 6: Final answer
    x = 27,831.72

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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.