Home / 36,321.89-54,381.32-19,622.09

Finding the Fourth Proportional to 36,321.89, 54,381.32 and 19,622.09

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Solution

The fourth proportional to 36,321.89, 54,381.32 and 19,622.09 is: 29,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.89 : 54,381.32 = 19,622.09 : x
  2. Step 2: Convert to fraction form
    36,321.89/54,381.32 = 19,622.09/x
  3. Step 3: Cross multiply
    36,321.89x = 54,381.32 × 19,622.09
  4. Step 4: Simplify right side
    36,321.89x = 1,067,074,785.34
  5. Step 5: Solve for x
    x = 1,067,074,785.34/36,321.89
  6. Step 6: Final answer
    x = 29,378.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.