Home / 31,276.55-43,161.30-16,936.17

Finding the Fourth Proportional to 31,276.55, 43,161.30 and 16,936.17

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Solution

The fourth proportional to 31,276.55, 43,161.30 and 16,936.17 is: 23,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.55 : 43,161.30 = 16,936.17 : x
  2. Step 2: Convert to fraction form
    31,276.55/43,161.30 = 16,936.17/x
  3. Step 3: Cross multiply
    31,276.55x = 43,161.30 × 16,936.17
  4. Step 4: Simplify right side
    31,276.55x = 730,987,114.22
  5. Step 5: Solve for x
    x = 730,987,114.22/31,276.55
  6. Step 6: Final answer
    x = 23,371.73

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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.