Home / 31,636.18-43,658.85-17,489.95

Finding the Fourth Proportional to 31,636.18, 43,658.85 and 17,489.95

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Solution

The fourth proportional to 31,636.18, 43,658.85 and 17,489.95 is: 24,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.18 : 43,658.85 = 17,489.95 : x
  2. Step 2: Convert to fraction form
    31,636.18/43,658.85 = 17,489.95/x
  3. Step 3: Cross multiply
    31,636.18x = 43,658.85 × 17,489.95
  4. Step 4: Simplify right side
    31,636.18x = 763,591,103.56
  5. Step 5: Solve for x
    x = 763,591,103.56/31,636.18
  6. Step 6: Final answer
    x = 24,136.64

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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.