Home / 69,419.25-104,132.91-19,503.24

Finding the Fourth Proportional to 69,419.25, 104,132.91 and 19,503.24

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Solution

The fourth proportional to 69,419.25, 104,132.91 and 19,503.24 is: 29,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,419.25 : 104,132.91 = 19,503.24 : x
  2. Step 2: Convert to fraction form
    69,419.25/104,132.91 = 19,503.24/x
  3. Step 3: Cross multiply
    69,419.25x = 104,132.91 × 19,503.24
  4. Step 4: Simplify right side
    69,419.25x = 2,030,929,184.39
  5. Step 5: Solve for x
    x = 2,030,929,184.39/69,419.25
  6. Step 6: Final answer
    x = 29,255.99

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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.