Home / 20,021.53-29,972.13-19,544.03

Finding the Fourth Proportional to 20,021.53, 29,972.13 and 19,544.03

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Solution

The fourth proportional to 20,021.53, 29,972.13 and 19,544.03 is: 29,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.53 : 29,972.13 = 19,544.03 : x
  2. Step 2: Convert to fraction form
    20,021.53/29,972.13 = 19,544.03/x
  3. Step 3: Cross multiply
    20,021.53x = 29,972.13 × 19,544.03
  4. Step 4: Simplify right side
    20,021.53x = 585,776,207.88
  5. Step 5: Solve for x
    x = 585,776,207.88/20,021.53
  6. Step 6: Final answer
    x = 29,257.31

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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.