Home / 36,143.24-54,211.66-12,768.52

Finding the Fourth Proportional to 36,143.24, 54,211.66 and 12,768.52

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Solution

The fourth proportional to 36,143.24, 54,211.66 and 12,768.52 is: 19,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.24 : 54,211.66 = 12,768.52 : x
  2. Step 2: Convert to fraction form
    36,143.24/54,211.66 = 12,768.52/x
  3. Step 3: Cross multiply
    36,143.24x = 54,211.66 × 12,768.52
  4. Step 4: Simplify right side
    36,143.24x = 692,202,664.94
  5. Step 5: Solve for x
    x = 692,202,664.94/36,143.24
  6. Step 6: Final answer
    x = 19,151.65

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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.