Home / 33,106.96-49,660.32-13,385.28

Finding the Fourth Proportional to 33,106.96, 49,660.32 and 13,385.28

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Solution

The fourth proportional to 33,106.96, 49,660.32 and 13,385.28 is: 20,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.96 : 49,660.32 = 13,385.28 : x
  2. Step 2: Convert to fraction form
    33,106.96/49,660.32 = 13,385.28/x
  3. Step 3: Cross multiply
    33,106.96x = 49,660.32 × 13,385.28
  4. Step 4: Simplify right side
    33,106.96x = 664,717,288.09
  5. Step 5: Solve for x
    x = 664,717,288.09/33,106.96
  6. Step 6: Final answer
    x = 20,077.87

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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.