Home / 31,263.20-43,142.74-17,834.66

Finding the Fourth Proportional to 31,263.20, 43,142.74 and 17,834.66

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Solution

The fourth proportional to 31,263.20, 43,142.74 and 17,834.66 is: 24,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.20 : 43,142.74 = 17,834.66 : x
  2. Step 2: Convert to fraction form
    31,263.20/43,142.74 = 17,834.66/x
  3. Step 3: Cross multiply
    31,263.20x = 43,142.74 × 17,834.66
  4. Step 4: Simplify right side
    31,263.20x = 769,436,099.37
  5. Step 5: Solve for x
    x = 769,436,099.37/31,263.20
  6. Step 6: Final answer
    x = 24,611.56

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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.