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Finding the Fourth Proportional to 33,774.40, 50,661.60 and 10,400.80

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Solution

The fourth proportional to 33,774.40, 50,661.60 and 10,400.80 is: 15,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,774.40 : 50,661.60 = 10,400.80 : x
  2. Step 2: Convert to fraction form
    33,774.40/50,661.60 = 10,400.80/x
  3. Step 3: Cross multiply
    33,774.40x = 50,661.60 × 10,400.80
  4. Step 4: Simplify right side
    33,774.40x = 526,921,169.28
  5. Step 5: Solve for x
    x = 526,921,169.28/33,774.40
  6. Step 6: Final answer
    x = 15,601.20

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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.