Home / 33,418.80-46,118.40-18,311.16

Finding the Fourth Proportional to 33,418.80, 46,118.40 and 18,311.16

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Solution

The fourth proportional to 33,418.80, 46,118.40 and 18,311.16 is: 25,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,418.80 : 46,118.40 = 18,311.16 : x
  2. Step 2: Convert to fraction form
    33,418.80/46,118.40 = 18,311.16/x
  3. Step 3: Cross multiply
    33,418.80x = 46,118.40 × 18,311.16
  4. Step 4: Simplify right side
    33,418.80x = 844,481,401.34
  5. Step 5: Solve for x
    x = 844,481,401.34/33,418.80
  6. Step 6: Final answer
    x = 25,269.65

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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.