Home / 20,183.41-30,279.17-7,032.25

Finding the Fourth Proportional to 20,183.41, 30,279.17 and 7,032.25

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Solution

The fourth proportional to 20,183.41, 30,279.17 and 7,032.25 is: 10,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.41 : 30,279.17 = 7,032.25 : x
  2. Step 2: Convert to fraction form
    20,183.41/30,279.17 = 7,032.25/x
  3. Step 3: Cross multiply
    20,183.41x = 30,279.17 × 7,032.25
  4. Step 4: Simplify right side
    20,183.41x = 212,930,693.23
  5. Step 5: Solve for x
    x = 212,930,693.23/20,183.41
  6. Step 6: Final answer
    x = 10,549.79

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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.