Home / 33,391.38-50,111.06-13,131.23

Finding the Fourth Proportional to 33,391.38, 50,111.06 and 13,131.23

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Solution

The fourth proportional to 33,391.38, 50,111.06 and 13,131.23 is: 19,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,391.38 : 50,111.06 = 13,131.23 : x
  2. Step 2: Convert to fraction form
    33,391.38/50,111.06 = 13,131.23/x
  3. Step 3: Cross multiply
    33,391.38x = 50,111.06 × 13,131.23
  4. Step 4: Simplify right side
    33,391.38x = 658,019,538.19
  5. Step 5: Solve for x
    x = 658,019,538.19/33,391.38
  6. Step 6: Final answer
    x = 19,706.27

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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.