Home / 36,078.24-54,115.20-15,012.96

Finding the Fourth Proportional to 36,078.24, 54,115.20 and 15,012.96

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Solution

The fourth proportional to 36,078.24, 54,115.20 and 15,012.96 is: 22,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.24 : 54,115.20 = 15,012.96 : x
  2. Step 2: Convert to fraction form
    36,078.24/54,115.20 = 15,012.96/x
  3. Step 3: Cross multiply
    36,078.24x = 54,115.20 × 15,012.96
  4. Step 4: Simplify right side
    36,078.24x = 812,429,332.99
  5. Step 5: Solve for x
    x = 812,429,332.99/36,078.24
  6. Step 6: Final answer
    x = 22,518.54

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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.