Home / 34,260.24-51,391.86-11,786.40

Finding the Fourth Proportional to 34,260.24, 51,391.86 and 11,786.40

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Solution

The fourth proportional to 34,260.24, 51,391.86 and 11,786.40 is: 17,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.24 : 51,391.86 = 11,786.40 : x
  2. Step 2: Convert to fraction form
    34,260.24/51,391.86 = 11,786.40/x
  3. Step 3: Cross multiply
    34,260.24x = 51,391.86 × 11,786.40
  4. Step 4: Simplify right side
    34,260.24x = 605,725,018.70
  5. Step 5: Solve for x
    x = 605,725,018.70/34,260.24
  6. Step 6: Final answer
    x = 17,680.12

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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.