Home / 30,822.57-46,260.06-12,115.68

Finding the Fourth Proportional to 30,822.57, 46,260.06 and 12,115.68

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Solution

The fourth proportional to 30,822.57, 46,260.06 and 12,115.68 is: 18,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.57 : 46,260.06 = 12,115.68 : x
  2. Step 2: Convert to fraction form
    30,822.57/46,260.06 = 12,115.68/x
  3. Step 3: Cross multiply
    30,822.57x = 46,260.06 × 12,115.68
  4. Step 4: Simplify right side
    30,822.57x = 560,472,083.74
  5. Step 5: Solve for x
    x = 560,472,083.74/30,822.57
  6. Step 6: Final answer
    x = 18,183.82

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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.