Home / 67,388.82-101,083.23-20,635.62

Finding the Fourth Proportional to 67,388.82, 101,083.23 and 20,635.62

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Solution

The fourth proportional to 67,388.82, 101,083.23 and 20,635.62 is: 30,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,388.82 : 101,083.23 = 20,635.62 : x
  2. Step 2: Convert to fraction form
    67,388.82/101,083.23 = 20,635.62/x
  3. Step 3: Cross multiply
    67,388.82x = 101,083.23 × 20,635.62
  4. Step 4: Simplify right side
    67,388.82x = 2,085,915,122.65
  5. Step 5: Solve for x
    x = 2,085,915,122.65/67,388.82
  6. Step 6: Final answer
    x = 30,953.43

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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.