Home / 42,198.82-63,329.34-20,012.27

Finding the Fourth Proportional to 42,198.82, 63,329.34 and 20,012.27

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Solution

The fourth proportional to 42,198.82, 63,329.34 and 20,012.27 is: 30,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.82 : 63,329.34 = 20,012.27 : x
  2. Step 2: Convert to fraction form
    42,198.82/63,329.34 = 20,012.27/x
  3. Step 3: Cross multiply
    42,198.82x = 63,329.34 × 20,012.27
  4. Step 4: Simplify right side
    42,198.82x = 1,267,363,609.40
  5. Step 5: Solve for x
    x = 1,267,363,609.40/42,198.82
  6. Step 6: Final answer
    x = 30,033.15

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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.