Home / 24,109.60-36,121.20-21,344.80

Finding the Fourth Proportional to 24,109.60, 36,121.20 and 21,344.80

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Solution

The fourth proportional to 24,109.60, 36,121.20 and 21,344.80 is: 31,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,109.60 : 36,121.20 = 21,344.80 : x
  2. Step 2: Convert to fraction form
    24,109.60/36,121.20 = 21,344.80/x
  3. Step 3: Cross multiply
    24,109.60x = 36,121.20 × 21,344.80
  4. Step 4: Simplify right side
    24,109.60x = 770,999,789.76
  5. Step 5: Solve for x
    x = 770,999,789.76/24,109.60
  6. Step 6: Final answer
    x = 31,978.95

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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.