Home / 33,170.79-45,774.63-19,738.96

Finding the Fourth Proportional to 33,170.79, 45,774.63 and 19,738.96

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Solution

The fourth proportional to 33,170.79, 45,774.63 and 19,738.96 is: 27,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.79 : 45,774.63 = 19,738.96 : x
  2. Step 2: Convert to fraction form
    33,170.79/45,774.63 = 19,738.96/x
  3. Step 3: Cross multiply
    33,170.79x = 45,774.63 × 19,738.96
  4. Step 4: Simplify right side
    33,170.79x = 903,543,491.89
  5. Step 5: Solve for x
    x = 903,543,491.89/33,170.79
  6. Step 6: Final answer
    x = 27,239.14

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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.