Home / 36,603.12-54,891.68-15,815.28

Finding the Fourth Proportional to 36,603.12, 54,891.68 and 15,815.28

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Solution

The fourth proportional to 36,603.12, 54,891.68 and 15,815.28 is: 23,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.12 : 54,891.68 = 15,815.28 : x
  2. Step 2: Convert to fraction form
    36,603.12/54,891.68 = 15,815.28/x
  3. Step 3: Cross multiply
    36,603.12x = 54,891.68 × 15,815.28
  4. Step 4: Simplify right side
    36,603.12x = 868,127,288.87
  5. Step 5: Solve for x
    x = 868,127,288.87/36,603.12
  6. Step 6: Final answer
    x = 23,717.30

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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.