Home / 20,012.05-30,022.94-5,971.96

Finding the Fourth Proportional to 20,012.05, 30,022.94 and 5,971.96

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Solution

The fourth proportional to 20,012.05, 30,022.94 and 5,971.96 is: 8,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.05 : 30,022.94 = 5,971.96 : x
  2. Step 2: Convert to fraction form
    20,012.05/30,022.94 = 5,971.96/x
  3. Step 3: Cross multiply
    20,012.05x = 30,022.94 × 5,971.96
  4. Step 4: Simplify right side
    20,012.05x = 179,295,796.76
  5. Step 5: Solve for x
    x = 179,295,796.76/20,012.05
  6. Step 6: Final answer
    x = 8,959.39

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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.