Home / 36,898.32-50,919.84-20,131.68

Finding the Fourth Proportional to 36,898.32, 50,919.84 and 20,131.68

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Solution

The fourth proportional to 36,898.32, 50,919.84 and 20,131.68 is: 27,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,898.32 : 50,919.84 = 20,131.68 : x
  2. Step 2: Convert to fraction form
    36,898.32/50,919.84 = 20,131.68/x
  3. Step 3: Cross multiply
    36,898.32x = 50,919.84 × 20,131.68
  4. Step 4: Simplify right side
    36,898.32x = 1,025,101,924.53
  5. Step 5: Solve for x
    x = 1,025,101,924.53/36,898.32
  6. Step 6: Final answer
    x = 27,781.80

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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.