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Finding the Fourth Proportional to 71,324.24, 106,986.26 and 21,404.26

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Solution

The fourth proportional to 71,324.24, 106,986.26 and 21,404.26 is: 32,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.24 : 106,986.26 = 21,404.26 : x
  2. Step 2: Convert to fraction form
    71,324.24/106,986.26 = 21,404.26/x
  3. Step 3: Cross multiply
    71,324.24x = 106,986.26 × 21,404.26
  4. Step 4: Simplify right side
    71,324.24x = 2,289,961,083.52
  5. Step 5: Solve for x
    x = 2,289,961,083.52/71,324.24
  6. Step 6: Final answer
    x = 32,106.35

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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.