Home / 47,690.19-71,535.25-12,629.85

Finding the Fourth Proportional to 47,690.19, 71,535.25 and 12,629.85

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Solution

The fourth proportional to 47,690.19, 71,535.25 and 12,629.85 is: 18,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,690.19 : 71,535.25 = 12,629.85 : x
  2. Step 2: Convert to fraction form
    47,690.19/71,535.25 = 12,629.85/x
  3. Step 3: Cross multiply
    47,690.19x = 71,535.25 × 12,629.85
  4. Step 4: Simplify right side
    47,690.19x = 903,479,425.94
  5. Step 5: Solve for x
    x = 903,479,425.94/47,690.19
  6. Step 6: Final answer
    x = 18,944.76

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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.