Home / 30,906.43-46,359.54-11,180.30

Finding the Fourth Proportional to 30,906.43, 46,359.54 and 11,180.30

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Solution

The fourth proportional to 30,906.43, 46,359.54 and 11,180.30 is: 16,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.43 : 46,359.54 = 11,180.30 : x
  2. Step 2: Convert to fraction form
    30,906.43/46,359.54 = 11,180.30/x
  3. Step 3: Cross multiply
    30,906.43x = 46,359.54 × 11,180.30
  4. Step 4: Simplify right side
    30,906.43x = 518,313,333.26
  5. Step 5: Solve for x
    x = 518,313,333.26/30,906.43
  6. Step 6: Final answer
    x = 16,770.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.