Home / 29,811.45-41,138.97-16,382.70

Finding the Fourth Proportional to 29,811.45, 41,138.97 and 16,382.70

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Solution

The fourth proportional to 29,811.45, 41,138.97 and 16,382.70 is: 22,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.45 : 41,138.97 = 16,382.70 : x
  2. Step 2: Convert to fraction form
    29,811.45/41,138.97 = 16,382.70/x
  3. Step 3: Cross multiply
    29,811.45x = 41,138.97 × 16,382.70
  4. Step 4: Simplify right side
    29,811.45x = 673,967,116.21
  5. Step 5: Solve for x
    x = 673,967,116.21/29,811.45
  6. Step 6: Final answer
    x = 22,607.66

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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.