Home / 36,491.60-50,358.96-21,380.64

Finding the Fourth Proportional to 36,491.60, 50,358.96 and 21,380.64

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Solution

The fourth proportional to 36,491.60, 50,358.96 and 21,380.64 is: 29,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.60 : 50,358.96 = 21,380.64 : x
  2. Step 2: Convert to fraction form
    36,491.60/50,358.96 = 21,380.64/x
  3. Step 3: Cross multiply
    36,491.60x = 50,358.96 × 21,380.64
  4. Step 4: Simplify right side
    36,491.60x = 1,076,706,794.53
  5. Step 5: Solve for x
    x = 1,076,706,794.53/36,491.60
  6. Step 6: Final answer
    x = 29,505.61

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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.