Home / 36,395.21-50,226.15-20,479.65

Finding the Fourth Proportional to 36,395.21, 50,226.15 and 20,479.65

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Solution

The fourth proportional to 36,395.21, 50,226.15 and 20,479.65 is: 28,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.21 : 50,226.15 = 20,479.65 : x
  2. Step 2: Convert to fraction form
    36,395.21/50,226.15 = 20,479.65/x
  3. Step 3: Cross multiply
    36,395.21x = 50,226.15 × 20,479.65
  4. Step 4: Simplify right side
    36,395.21x = 1,028,613,972.85
  5. Step 5: Solve for x
    x = 1,028,613,972.85/36,395.21
  6. Step 6: Final answer
    x = 28,262.35

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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.