Home / 31,658.50-43,685.80-17,511.04

Finding the Fourth Proportional to 31,658.50, 43,685.80 and 17,511.04

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Solution

The fourth proportional to 31,658.50, 43,685.80 and 17,511.04 is: 24,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.50 : 43,685.80 = 17,511.04 : x
  2. Step 2: Convert to fraction form
    31,658.50/43,685.80 = 17,511.04/x
  3. Step 3: Cross multiply
    31,658.50x = 43,685.80 × 17,511.04
  4. Step 4: Simplify right side
    31,658.50x = 764,983,791.23
  5. Step 5: Solve for x
    x = 764,983,791.23/31,658.50
  6. Step 6: Final answer
    x = 24,163.61

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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.