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Finding the Fourth Proportional to 33,766.40, 50,649.60 and 10,074.80

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Solution

The fourth proportional to 33,766.40, 50,649.60 and 10,074.80 is: 15,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,766.40 : 50,649.60 = 10,074.80 : x
  2. Step 2: Convert to fraction form
    33,766.40/50,649.60 = 10,074.80/x
  3. Step 3: Cross multiply
    33,766.40x = 50,649.60 × 10,074.80
  4. Step 4: Simplify right side
    33,766.40x = 510,284,590.08
  5. Step 5: Solve for x
    x = 510,284,590.08/33,766.40
  6. Step 6: Final answer
    x = 15,112.20

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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.