Home / 30,423.26-41,986.22-16,996.46

Finding the Fourth Proportional to 30,423.26, 41,986.22 and 16,996.46

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Solution

The fourth proportional to 30,423.26, 41,986.22 and 16,996.46 is: 23,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.26 : 41,986.22 = 16,996.46 : x
  2. Step 2: Convert to fraction form
    30,423.26/41,986.22 = 16,996.46/x
  3. Step 3: Cross multiply
    30,423.26x = 41,986.22 × 16,996.46
  4. Step 4: Simplify right side
    30,423.26x = 713,616,813.87
  5. Step 5: Solve for x
    x = 713,616,813.87/30,423.26
  6. Step 6: Final answer
    x = 23,456.29

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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.