Home / 29,178.37-43,763.90-8,119.99

Finding the Fourth Proportional to 29,178.37, 43,763.90 and 8,119.99

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Solution

The fourth proportional to 29,178.37, 43,763.90 and 8,119.99 is: 12,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.37 : 43,763.90 = 8,119.99 : x
  2. Step 2: Convert to fraction form
    29,178.37/43,763.90 = 8,119.99/x
  3. Step 3: Cross multiply
    29,178.37x = 43,763.90 × 8,119.99
  4. Step 4: Simplify right side
    29,178.37x = 355,362,211.54
  5. Step 5: Solve for x
    x = 355,362,211.54/29,178.37
  6. Step 6: Final answer
    x = 12,178.96

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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.