Home / 30,371.26-41,914.20-16,942.54

Finding the Fourth Proportional to 30,371.26, 41,914.20 and 16,942.54

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Solution

The fourth proportional to 30,371.26, 41,914.20 and 16,942.54 is: 23,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.26 : 41,914.20 = 16,942.54 : x
  2. Step 2: Convert to fraction form
    30,371.26/41,914.20 = 16,942.54/x
  3. Step 3: Cross multiply
    30,371.26x = 41,914.20 × 16,942.54
  4. Step 4: Simplify right side
    30,371.26x = 710,133,010.07
  5. Step 5: Solve for x
    x = 710,133,010.07/30,371.26
  6. Step 6: Final answer
    x = 23,381.74

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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.