Home / 20,089.62-30,163.86-19,735.29

Finding the Fourth Proportional to 20,089.62, 30,163.86 and 19,735.29

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Solution

The fourth proportional to 20,089.62, 30,163.86 and 19,735.29 is: 29,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.62 : 30,163.86 = 19,735.29 : x
  2. Step 2: Convert to fraction form
    20,089.62/30,163.86 = 19,735.29/x
  3. Step 3: Cross multiply
    20,089.62x = 30,163.86 × 19,735.29
  4. Step 4: Simplify right side
    20,089.62x = 595,292,524.62
  5. Step 5: Solve for x
    x = 595,292,524.62/20,089.62
  6. Step 6: Final answer
    x = 29,631.85

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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.