Home / 20,083.62-30,126.91-5,292.44

Finding the Fourth Proportional to 20,083.62, 30,126.91 and 5,292.44

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Solution

The fourth proportional to 20,083.62, 30,126.91 and 5,292.44 is: 7,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.62 : 30,126.91 = 5,292.44 : x
  2. Step 2: Convert to fraction form
    20,083.62/30,126.91 = 5,292.44/x
  3. Step 3: Cross multiply
    20,083.62x = 30,126.91 × 5,292.44
  4. Step 4: Simplify right side
    20,083.62x = 159,444,863.56
  5. Step 5: Solve for x
    x = 159,444,863.56/20,083.62
  6. Step 6: Final answer
    x = 7,939.05

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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.