Home / 29,110.12-43,628.62-12,450.54

Finding the Fourth Proportional to 29,110.12, 43,628.62 and 12,450.54

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Solution

The fourth proportional to 29,110.12, 43,628.62 and 12,450.54 is: 18,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.12 : 43,628.62 = 12,450.54 : x
  2. Step 2: Convert to fraction form
    29,110.12/43,628.62 = 12,450.54/x
  3. Step 3: Cross multiply
    29,110.12x = 43,628.62 × 12,450.54
  4. Step 4: Simplify right side
    29,110.12x = 543,199,878.45
  5. Step 5: Solve for x
    x = 543,199,878.45/29,110.12
  6. Step 6: Final answer
    x = 18,660.17

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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.