Home / 29,989.89-41,385.25-16,378.30

Finding the Fourth Proportional to 29,989.89, 41,385.25 and 16,378.30

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Solution

The fourth proportional to 29,989.89, 41,385.25 and 16,378.30 is: 22,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.89 : 41,385.25 = 16,378.30 : x
  2. Step 2: Convert to fraction form
    29,989.89/41,385.25 = 16,378.30/x
  3. Step 3: Cross multiply
    29,989.89x = 41,385.25 × 16,378.30
  4. Step 4: Simplify right side
    29,989.89x = 677,819,833.15
  5. Step 5: Solve for x
    x = 677,819,833.15/29,989.89
  6. Step 6: Final answer
    x = 22,601.61

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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.