Home / 36,348.76-54,511.62-11,719

Finding the Fourth Proportional to 36,348.76, 54,511.62 and 11,719

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Solution

The fourth proportional to 36,348.76, 54,511.62 and 11,719 is: 17,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,348.76 : 54,511.62 = 11,719 : x
  2. Step 2: Convert to fraction form
    36,348.76/54,511.62 = 11,719/x
  3. Step 3: Cross multiply
    36,348.76x = 54,511.62 × 11,719
  4. Step 4: Simplify right side
    36,348.76x = 638,821,674.78
  5. Step 5: Solve for x
    x = 638,821,674.78/36,348.76
  6. Step 6: Final answer
    x = 17,574.79

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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.