Home / 30,086.89-41,520.24-16,658.39

Finding the Fourth Proportional to 30,086.89, 41,520.24 and 16,658.39

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Solution

The fourth proportional to 30,086.89, 41,520.24 and 16,658.39 is: 22,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.89 : 41,520.24 = 16,658.39 : x
  2. Step 2: Convert to fraction form
    30,086.89/41,520.24 = 16,658.39/x
  3. Step 3: Cross multiply
    30,086.89x = 41,520.24 × 16,658.39
  4. Step 4: Simplify right side
    30,086.89x = 691,660,350.81
  5. Step 5: Solve for x
    x = 691,660,350.81/30,086.89
  6. Step 6: Final answer
    x = 22,988.76

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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.