Home / 67,331.56-100,998.80-20,584.48

Finding the Fourth Proportional to 67,331.56, 100,998.80 and 20,584.48

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Solution

The fourth proportional to 67,331.56, 100,998.80 and 20,584.48 is: 30,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,331.56 : 100,998.80 = 20,584.48 : x
  2. Step 2: Convert to fraction form
    67,331.56/100,998.80 = 20,584.48/x
  3. Step 3: Cross multiply
    67,331.56x = 100,998.80 × 20,584.48
  4. Step 4: Simplify right side
    67,331.56x = 2,079,007,778.62
  5. Step 5: Solve for x
    x = 2,079,007,778.62/67,331.56
  6. Step 6: Final answer
    x = 30,877.17

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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.