Home / 67,040.70-100,566.09-20,297.34

Finding the Fourth Proportional to 67,040.70, 100,566.09 and 20,297.34

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Solution

The fourth proportional to 67,040.70, 100,566.09 and 20,297.34 is: 30,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.70 : 100,566.09 = 20,297.34 : x
  2. Step 2: Convert to fraction form
    67,040.70/100,566.09 = 20,297.34/x
  3. Step 3: Cross multiply
    67,040.70x = 100,566.09 × 20,297.34
  4. Step 4: Simplify right side
    67,040.70x = 2,041,224,121.20
  5. Step 5: Solve for x
    x = 2,041,224,121.20/67,040.70
  6. Step 6: Final answer
    x = 30,447.54

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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.