Home / 31,093.80-42,910.59-17,667.33

Finding the Fourth Proportional to 31,093.80, 42,910.59 and 17,667.33

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Solution

The fourth proportional to 31,093.80, 42,910.59 and 17,667.33 is: 24,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.80 : 42,910.59 = 17,667.33 : x
  2. Step 2: Convert to fraction form
    31,093.80/42,910.59 = 17,667.33/x
  3. Step 3: Cross multiply
    31,093.80x = 42,910.59 × 17,667.33
  4. Step 4: Simplify right side
    31,093.80x = 758,115,326.86
  5. Step 5: Solve for x
    x = 758,115,326.86/31,093.80
  6. Step 6: Final answer
    x = 24,381.56

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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.