Home / 33,999.75-51,021.63-13,223.25

Finding the Fourth Proportional to 33,999.75, 51,021.63 and 13,223.25

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Solution

The fourth proportional to 33,999.75, 51,021.63 and 13,223.25 is: 19,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.75 : 51,021.63 = 13,223.25 : x
  2. Step 2: Convert to fraction form
    33,999.75/51,021.63 = 13,223.25/x
  3. Step 3: Cross multiply
    33,999.75x = 51,021.63 × 13,223.25
  4. Step 4: Simplify right side
    33,999.75x = 674,671,768.90
  5. Step 5: Solve for x
    x = 674,671,768.90/33,999.75
  6. Step 6: Final answer
    x = 19,843.43

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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.