Home / 33,429.78-46,139.22-22,815.54

Finding the Fourth Proportional to 33,429.78, 46,139.22 and 22,815.54

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Solution

The fourth proportional to 33,429.78, 46,139.22 and 22,815.54 is: 31,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.78 : 46,139.22 = 22,815.54 : x
  2. Step 2: Convert to fraction form
    33,429.78/46,139.22 = 22,815.54/x
  3. Step 3: Cross multiply
    33,429.78x = 46,139.22 × 22,815.54
  4. Step 4: Simplify right side
    33,429.78x = 1,052,691,219.48
  5. Step 5: Solve for x
    x = 1,052,691,219.48/33,429.78
  6. Step 6: Final answer
    x = 31,489.62

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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.