Home / 69,515.36-104,280.34-22,771.88

Finding the Fourth Proportional to 69,515.36, 104,280.34 and 22,771.88

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Solution

The fourth proportional to 69,515.36, 104,280.34 and 22,771.88 is: 34,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.36 : 104,280.34 = 22,771.88 : x
  2. Step 2: Convert to fraction form
    69,515.36/104,280.34 = 22,771.88/x
  3. Step 3: Cross multiply
    69,515.36x = 104,280.34 × 22,771.88
  4. Step 4: Simplify right side
    69,515.36x = 2,374,659,388.84
  5. Step 5: Solve for x
    x = 2,374,659,388.84/69,515.36
  6. Step 6: Final answer
    x = 34,160.21

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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.