Home / 29,120.54-43,682.63-7,772.85

Finding the Fourth Proportional to 29,120.54, 43,682.63 and 7,772.85

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Solution

The fourth proportional to 29,120.54, 43,682.63 and 7,772.85 is: 11,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.54 : 43,682.63 = 7,772.85 : x
  2. Step 2: Convert to fraction form
    29,120.54/43,682.63 = 7,772.85/x
  3. Step 3: Cross multiply
    29,120.54x = 43,682.63 × 7,772.85
  4. Step 4: Simplify right side
    29,120.54x = 339,538,491.73
  5. Step 5: Solve for x
    x = 339,538,491.73/29,120.54
  6. Step 6: Final answer
    x = 11,659.76

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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.