Home / 71,196.20-106,778.46-20,584.17

Finding the Fourth Proportional to 71,196.20, 106,778.46 and 20,584.17

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Solution

The fourth proportional to 71,196.20, 106,778.46 and 20,584.17 is: 30,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,196.20 : 106,778.46 = 20,584.17 : x
  2. Step 2: Convert to fraction form
    71,196.20/106,778.46 = 20,584.17/x
  3. Step 3: Cross multiply
    71,196.20x = 106,778.46 × 20,584.17
  4. Step 4: Simplify right side
    71,196.20x = 2,197,946,239.92
  5. Step 5: Solve for x
    x = 2,197,946,239.92/71,196.20
  6. Step 6: Final answer
    x = 30,871.68

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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.