Home / 42,183.45-63,320.18-18,179.64

Finding the Fourth Proportional to 42,183.45, 63,320.18 and 18,179.64

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Solution

The fourth proportional to 42,183.45, 63,320.18 and 18,179.64 is: 27,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,183.45 : 63,320.18 = 18,179.64 : x
  2. Step 2: Convert to fraction form
    42,183.45/63,320.18 = 18,179.64/x
  3. Step 3: Cross multiply
    42,183.45x = 63,320.18 × 18,179.64
  4. Step 4: Simplify right side
    42,183.45x = 1,151,137,986.24
  5. Step 5: Solve for x
    x = 1,151,137,986.24/42,183.45
  6. Step 6: Final answer
    x = 27,288.85

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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.