Home / 43,176.08-64,772.85-18,216.19

Finding the Fourth Proportional to 43,176.08, 64,772.85 and 18,216.19

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Solution

The fourth proportional to 43,176.08, 64,772.85 and 18,216.19 is: 27,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,176.08 : 64,772.85 = 18,216.19 : x
  2. Step 2: Convert to fraction form
    43,176.08/64,772.85 = 18,216.19/x
  3. Step 3: Cross multiply
    43,176.08x = 64,772.85 × 18,216.19
  4. Step 4: Simplify right side
    43,176.08x = 1,179,914,691.72
  5. Step 5: Solve for x
    x = 1,179,914,691.72/43,176.08
  6. Step 6: Final answer
    x = 27,327.97

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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.