Home / 31,673.35-43,713.86-18,241.99

Finding the Fourth Proportional to 31,673.35, 43,713.86 and 18,241.99

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Solution

The fourth proportional to 31,673.35, 43,713.86 and 18,241.99 is: 25,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.35 : 43,713.86 = 18,241.99 : x
  2. Step 2: Convert to fraction form
    31,673.35/43,713.86 = 18,241.99/x
  3. Step 3: Cross multiply
    31,673.35x = 43,713.86 × 18,241.99
  4. Step 4: Simplify right side
    31,673.35x = 797,427,796.98
  5. Step 5: Solve for x
    x = 797,427,796.98/31,673.35
  6. Step 6: Final answer
    x = 25,176.62

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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.