Home / 33,144.03-45,738.76-18,240.03

Finding the Fourth Proportional to 33,144.03, 45,738.76 and 18,240.03

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Solution

The fourth proportional to 33,144.03, 45,738.76 and 18,240.03 is: 25,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.03 : 45,738.76 = 18,240.03 : x
  2. Step 2: Convert to fraction form
    33,144.03/45,738.76 = 18,240.03/x
  3. Step 3: Cross multiply
    33,144.03x = 45,738.76 × 18,240.03
  4. Step 4: Simplify right side
    33,144.03x = 834,276,125.87
  5. Step 5: Solve for x
    x = 834,276,125.87/33,144.03
  6. Step 6: Final answer
    x = 25,171.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.