Home / 34,767.30-52,131.50-11,391.78

Finding the Fourth Proportional to 34,767.30, 52,131.50 and 11,391.78

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Solution

The fourth proportional to 34,767.30, 52,131.50 and 11,391.78 is: 17,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.30 : 52,131.50 = 11,391.78 : x
  2. Step 2: Convert to fraction form
    34,767.30/52,131.50 = 11,391.78/x
  3. Step 3: Cross multiply
    34,767.30x = 52,131.50 × 11,391.78
  4. Step 4: Simplify right side
    34,767.30x = 593,870,579.07
  5. Step 5: Solve for x
    x = 593,870,579.07/34,767.30
  6. Step 6: Final answer
    x = 17,081.30

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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.