Home / 20,022.78-30,034.92-5,982.98

Finding the Fourth Proportional to 20,022.78, 30,034.92 and 5,982.98

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Solution

The fourth proportional to 20,022.78, 30,034.92 and 5,982.98 is: 8,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.78 : 30,034.92 = 5,982.98 : x
  2. Step 2: Convert to fraction form
    20,022.78/30,034.92 = 5,982.98/x
  3. Step 3: Cross multiply
    20,022.78x = 30,034.92 × 5,982.98
  4. Step 4: Simplify right side
    20,022.78x = 179,698,325.66
  5. Step 5: Solve for x
    x = 179,698,325.66/20,022.78
  6. Step 6: Final answer
    x = 8,974.69

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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.