Home / 29,178.62-43,764.27-8,120.24

Finding the Fourth Proportional to 29,178.62, 43,764.27 and 8,120.24

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Solution

The fourth proportional to 29,178.62, 43,764.27 and 8,120.24 is: 12,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.62 : 43,764.27 = 8,120.24 : x
  2. Step 2: Convert to fraction form
    29,178.62/43,764.27 = 8,120.24/x
  3. Step 3: Cross multiply
    29,178.62x = 43,764.27 × 8,120.24
  4. Step 4: Simplify right side
    29,178.62x = 355,376,157.00
  5. Step 5: Solve for x
    x = 355,376,157.00/29,178.62
  6. Step 6: Final answer
    x = 12,179.34

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1.5x scale

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.