Home / 29,979.08-44,960.10-8,918.26

Finding the Fourth Proportional to 29,979.08, 44,960.10 and 8,918.26

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Solution

The fourth proportional to 29,979.08, 44,960.10 and 8,918.26 is: 13,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.08 : 44,960.10 = 8,918.26 : x
  2. Step 2: Convert to fraction form
    29,979.08/44,960.10 = 8,918.26/x
  3. Step 3: Cross multiply
    29,979.08x = 44,960.10 × 8,918.26
  4. Step 4: Simplify right side
    29,979.08x = 400,965,861.43
  5. Step 5: Solve for x
    x = 400,965,861.43/29,979.08
  6. Step 6: Final answer
    x = 13,374.86

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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.