Home / 29,647.70-40,912.30-16,216.34

Finding the Fourth Proportional to 29,647.70, 40,912.30 and 16,216.34

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Solution

The fourth proportional to 29,647.70, 40,912.30 and 16,216.34 is: 22,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.70 : 40,912.30 = 16,216.34 : x
  2. Step 2: Convert to fraction form
    29,647.70/40,912.30 = 16,216.34/x
  3. Step 3: Cross multiply
    29,647.70x = 40,912.30 × 16,216.34
  4. Step 4: Simplify right side
    29,647.70x = 663,447,766.98
  5. Step 5: Solve for x
    x = 663,447,766.98/29,647.70
  6. Step 6: Final answer
    x = 22,377.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.