Home / 30,086.82-41,520-16,658.94

Finding the Fourth Proportional to 30,086.82, 41,520 and 16,658.94

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Solution

The fourth proportional to 30,086.82, 41,520 and 16,658.94 is: 22,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.82 : 41,520 = 16,658.94 : x
  2. Step 2: Convert to fraction form
    30,086.82/41,520 = 16,658.94/x
  3. Step 3: Cross multiply
    30,086.82x = 41,520 × 16,658.94
  4. Step 4: Simplify right side
    30,086.82x = 691,679,188.80
  5. Step 5: Solve for x
    x = 691,679,188.80/30,086.82
  6. Step 6: Final answer
    x = 22,989.44

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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.