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Finding the Fourth Proportional to 33,629.20, 50,443.80 and 9,005.20

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Solution

The fourth proportional to 33,629.20, 50,443.80 and 9,005.20 is: 13,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,629.20 : 50,443.80 = 9,005.20 : x
  2. Step 2: Convert to fraction form
    33,629.20/50,443.80 = 9,005.20/x
  3. Step 3: Cross multiply
    33,629.20x = 50,443.80 × 9,005.20
  4. Step 4: Simplify right side
    33,629.20x = 454,256,507.76
  5. Step 5: Solve for x
    x = 454,256,507.76/33,629.20
  6. Step 6: Final answer
    x = 13,507.80

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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.