Home / 31,334.34-43,241.94-17,187.15

Finding the Fourth Proportional to 31,334.34, 43,241.94 and 17,187.15

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Solution

The fourth proportional to 31,334.34, 43,241.94 and 17,187.15 is: 23,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.34 : 43,241.94 = 17,187.15 : x
  2. Step 2: Convert to fraction form
    31,334.34/43,241.94 = 17,187.15/x
  3. Step 3: Cross multiply
    31,334.34x = 43,241.94 × 17,187.15
  4. Step 4: Simplify right side
    31,334.34x = 743,205,709.07
  5. Step 5: Solve for x
    x = 743,205,709.07/31,334.34
  6. Step 6: Final answer
    x = 23,718.57

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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.