Home / 29,155.24-43,734.30-8,380.36

Finding the Fourth Proportional to 29,155.24, 43,734.30 and 8,380.36

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Solution

The fourth proportional to 29,155.24, 43,734.30 and 8,380.36 is: 12,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.24 : 43,734.30 = 8,380.36 : x
  2. Step 2: Convert to fraction form
    29,155.24/43,734.30 = 8,380.36/x
  3. Step 3: Cross multiply
    29,155.24x = 43,734.30 × 8,380.36
  4. Step 4: Simplify right side
    29,155.24x = 366,509,178.35
  5. Step 5: Solve for x
    x = 366,509,178.35/29,155.24
  6. Step 6: Final answer
    x = 12,570.95

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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.