Home / 33,638.68-50,458.03-13,895.54

Finding the Fourth Proportional to 33,638.68, 50,458.03 and 13,895.54

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Solution

The fourth proportional to 33,638.68, 50,458.03 and 13,895.54 is: 20,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.68 : 50,458.03 = 13,895.54 : x
  2. Step 2: Convert to fraction form
    33,638.68/50,458.03 = 13,895.54/x
  3. Step 3: Cross multiply
    33,638.68x = 50,458.03 × 13,895.54
  4. Step 4: Simplify right side
    33,638.68x = 701,141,574.19
  5. Step 5: Solve for x
    x = 701,141,574.19/33,638.68
  6. Step 6: Final answer
    x = 20,843.31

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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.