Home / 30,156.82-41,616.67-16,729.18

Finding the Fourth Proportional to 30,156.82, 41,616.67 and 16,729.18

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Solution

The fourth proportional to 30,156.82, 41,616.67 and 16,729.18 is: 23,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.82 : 41,616.67 = 16,729.18 : x
  2. Step 2: Convert to fraction form
    30,156.82/41,616.67 = 16,729.18/x
  3. Step 3: Cross multiply
    30,156.82x = 41,616.67 × 16,729.18
  4. Step 4: Simplify right side
    30,156.82x = 696,212,555.35
  5. Step 5: Solve for x
    x = 696,212,555.35/30,156.82
  6. Step 6: Final answer
    x = 23,086.41

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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.