Home / 31,778.52-43,853.77-17,631.06

Finding the Fourth Proportional to 31,778.52, 43,853.77 and 17,631.06

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Solution

The fourth proportional to 31,778.52, 43,853.77 and 17,631.06 is: 24,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.52 : 43,853.77 = 17,631.06 : x
  2. Step 2: Convert to fraction form
    31,778.52/43,853.77 = 17,631.06/x
  3. Step 3: Cross multiply
    31,778.52x = 43,853.77 × 17,631.06
  4. Step 4: Simplify right side
    31,778.52x = 773,188,450.10
  5. Step 5: Solve for x
    x = 773,188,450.10/31,778.52
  6. Step 6: Final answer
    x = 24,330.54

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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.