Home / 31,662.78-43,894.46-29,977.44

Finding the Fourth Proportional to 31,662.78, 43,894.46 and 29,977.44

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Solution

The fourth proportional to 31,662.78, 43,894.46 and 29,977.44 is: 41,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.78 : 43,894.46 = 29,977.44 : x
  2. Step 2: Convert to fraction form
    31,662.78/43,894.46 = 29,977.44/x
  3. Step 3: Cross multiply
    31,662.78x = 43,894.46 × 29,977.44
  4. Step 4: Simplify right side
    31,662.78x = 1,315,843,391.10
  5. Step 5: Solve for x
    x = 1,315,843,391.10/31,662.78
  6. Step 6: Final answer
    x = 41,558.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.