Home / 29,712.78-44,589.18-12,182.10

Finding the Fourth Proportional to 29,712.78, 44,589.18 and 12,182.10

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Solution

The fourth proportional to 29,712.78, 44,589.18 and 12,182.10 is: 18,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,712.78 : 44,589.18 = 12,182.10 : x
  2. Step 2: Convert to fraction form
    29,712.78/44,589.18 = 12,182.10/x
  3. Step 3: Cross multiply
    29,712.78x = 44,589.18 × 12,182.10
  4. Step 4: Simplify right side
    29,712.78x = 543,189,849.68
  5. Step 5: Solve for x
    x = 543,189,849.68/29,712.78
  6. Step 6: Final answer
    x = 18,281.35

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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.