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Finding the Fourth Proportional to 69,503.36, 104,249.88 and 22,116.56

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Solution

The fourth proportional to 69,503.36, 104,249.88 and 22,116.56 is: 33,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,503.36 : 104,249.88 = 22,116.56 : x
  2. Step 2: Convert to fraction form
    69,503.36/104,249.88 = 22,116.56/x
  3. Step 3: Cross multiply
    69,503.36x = 104,249.88 × 22,116.56
  4. Step 4: Simplify right side
    69,503.36x = 2,305,648,726.01
  5. Step 5: Solve for x
    x = 2,305,648,726.01/69,503.36
  6. Step 6: Final answer
    x = 33,173.20

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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.