Home / 36,489.62-50,355.98-21,382.72

Finding the Fourth Proportional to 36,489.62, 50,355.98 and 21,382.72

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Solution

The fourth proportional to 36,489.62, 50,355.98 and 21,382.72 is: 29,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.62 : 50,355.98 = 21,382.72 : x
  2. Step 2: Convert to fraction form
    36,489.62/50,355.98 = 21,382.72/x
  3. Step 3: Cross multiply
    36,489.62x = 50,355.98 × 21,382.72
  4. Step 4: Simplify right side
    36,489.62x = 1,076,747,668.05
  5. Step 5: Solve for x
    x = 1,076,747,668.05/36,489.62
  6. Step 6: Final answer
    x = 29,508.33

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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.