Home / 30,369.09-41,910.17-16,942.96

Finding the Fourth Proportional to 30,369.09, 41,910.17 and 16,942.96

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Solution

The fourth proportional to 30,369.09, 41,910.17 and 16,942.96 is: 23,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.09 : 41,910.17 = 16,942.96 : x
  2. Step 2: Convert to fraction form
    30,369.09/41,910.17 = 16,942.96/x
  3. Step 3: Cross multiply
    30,369.09x = 41,910.17 × 16,942.96
  4. Step 4: Simplify right side
    30,369.09x = 710,082,333.90
  5. Step 5: Solve for x
    x = 710,082,333.90/30,369.09
  6. Step 6: Final answer
    x = 23,381.75

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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.