Home / 69,420.25-104,134.41-19,504.24

Finding the Fourth Proportional to 69,420.25, 104,134.41 and 19,504.24

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Solution

The fourth proportional to 69,420.25, 104,134.41 and 19,504.24 is: 29,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,420.25 : 104,134.41 = 19,504.24 : x
  2. Step 2: Convert to fraction form
    69,420.25/104,134.41 = 19,504.24/x
  3. Step 3: Cross multiply
    69,420.25x = 104,134.41 × 19,504.24
  4. Step 4: Simplify right side
    69,420.25x = 2,031,062,524.90
  5. Step 5: Solve for x
    x = 2,031,062,524.90/69,420.25
  6. Step 6: Final answer
    x = 29,257.49

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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.