Home / 31,814.94-43,905.96-17,667.75

Finding the Fourth Proportional to 31,814.94, 43,905.96 and 17,667.75

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Solution

The fourth proportional to 31,814.94, 43,905.96 and 17,667.75 is: 24,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.94 : 43,905.96 = 17,667.75 : x
  2. Step 2: Convert to fraction form
    31,814.94/43,905.96 = 17,667.75/x
  3. Step 3: Cross multiply
    31,814.94x = 43,905.96 × 17,667.75
  4. Step 4: Simplify right side
    31,814.94x = 775,719,524.79
  5. Step 5: Solve for x
    x = 775,719,524.79/31,814.94
  6. Step 6: Final answer
    x = 24,382.24

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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.