Home / 36,387.55-54,583.62-11,428.62

Finding the Fourth Proportional to 36,387.55, 54,583.62 and 11,428.62

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Solution

The fourth proportional to 36,387.55, 54,583.62 and 11,428.62 is: 17,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.55 : 54,583.62 = 11,428.62 : x
  2. Step 2: Convert to fraction form
    36,387.55/54,583.62 = 11,428.62/x
  3. Step 3: Cross multiply
    36,387.55x = 54,583.62 × 11,428.62
  4. Step 4: Simplify right side
    36,387.55x = 623,815,451.20
  5. Step 5: Solve for x
    x = 623,815,451.20/36,387.55
  6. Step 6: Final answer
    x = 17,143.65

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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.