Home / 36,729.72-50,698.44-21,621.20

Finding the Fourth Proportional to 36,729.72, 50,698.44 and 21,621.20

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Solution

The fourth proportional to 36,729.72, 50,698.44 and 21,621.20 is: 29,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.72 : 50,698.44 = 21,621.20 : x
  2. Step 2: Convert to fraction form
    36,729.72/50,698.44 = 21,621.20/x
  3. Step 3: Cross multiply
    36,729.72x = 50,698.44 × 21,621.20
  4. Step 4: Simplify right side
    36,729.72x = 1,096,160,857.44
  5. Step 5: Solve for x
    x = 1,096,160,857.44/36,729.72
  6. Step 6: Final answer
    x = 29,843.98

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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.