Home / 31,836.08-43,934.05-19,906.33

Finding the Fourth Proportional to 31,836.08, 43,934.05 and 19,906.33

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Solution

The fourth proportional to 31,836.08, 43,934.05 and 19,906.33 is: 27,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.08 : 43,934.05 = 19,906.33 : x
  2. Step 2: Convert to fraction form
    31,836.08/43,934.05 = 19,906.33/x
  3. Step 3: Cross multiply
    31,836.08x = 43,934.05 × 19,906.33
  4. Step 4: Simplify right side
    31,836.08x = 874,565,697.54
  5. Step 5: Solve for x
    x = 874,565,697.54/31,836.08
  6. Step 6: Final answer
    x = 27,470.90

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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.