Home / 36,356.92-54,545.22-12,985.24

Finding the Fourth Proportional to 36,356.92, 54,545.22 and 12,985.24

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Solution

The fourth proportional to 36,356.92, 54,545.22 and 12,985.24 is: 19,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.92 : 54,545.22 = 12,985.24 : x
  2. Step 2: Convert to fraction form
    36,356.92/54,545.22 = 12,985.24/x
  3. Step 3: Cross multiply
    36,356.92x = 54,545.22 × 12,985.24
  4. Step 4: Simplify right side
    36,356.92x = 708,282,772.55
  5. Step 5: Solve for x
    x = 708,282,772.55/36,356.92
  6. Step 6: Final answer
    x = 19,481.37

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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.