Home / 33,146.53-45,738.75-18,801.78

Finding the Fourth Proportional to 33,146.53, 45,738.75 and 18,801.78

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Solution

The fourth proportional to 33,146.53, 45,738.75 and 18,801.78 is: 25,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.53 : 45,738.75 = 18,801.78 : x
  2. Step 2: Convert to fraction form
    33,146.53/45,738.75 = 18,801.78/x
  3. Step 3: Cross multiply
    33,146.53x = 45,738.75 × 18,801.78
  4. Step 4: Simplify right side
    33,146.53x = 859,970,082.68
  5. Step 5: Solve for x
    x = 859,970,082.68/33,146.53
  6. Step 6: Final answer
    x = 25,944.50

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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.