Home / 33,144.30-45,738.78-19,715.26

Finding the Fourth Proportional to 33,144.30, 45,738.78 and 19,715.26

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Solution

The fourth proportional to 33,144.30, 45,738.78 and 19,715.26 is: 27,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.30 : 45,738.78 = 19,715.26 : x
  2. Step 2: Convert to fraction form
    33,144.30/45,738.78 = 19,715.26/x
  3. Step 3: Cross multiply
    33,144.30x = 45,738.78 × 19,715.26
  4. Step 4: Simplify right side
    33,144.30x = 901,751,939.78
  5. Step 5: Solve for x
    x = 901,751,939.78/33,144.30
  6. Step 6: Final answer
    x = 27,206.85

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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.