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Finding the Fourth Proportional to 33,201.72, 49,788.54 and 11,009.16

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Solution

The fourth proportional to 33,201.72, 49,788.54 and 11,009.16 is: 16,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.72 : 49,788.54 = 11,009.16 : x
  2. Step 2: Convert to fraction form
    33,201.72/49,788.54 = 11,009.16/x
  3. Step 3: Cross multiply
    33,201.72x = 49,788.54 × 11,009.16
  4. Step 4: Simplify right side
    33,201.72x = 548,130,003.03
  5. Step 5: Solve for x
    x = 548,130,003.03/33,201.72
  6. Step 6: Final answer
    x = 16,509.08

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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.