Home / 30,086.31-41,519.31-16,658.44

Finding the Fourth Proportional to 30,086.31, 41,519.31 and 16,658.44

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Solution

The fourth proportional to 30,086.31, 41,519.31 and 16,658.44 is: 22,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.31 : 41,519.31 = 16,658.44 : x
  2. Step 2: Convert to fraction form
    30,086.31/41,519.31 = 16,658.44/x
  3. Step 3: Cross multiply
    30,086.31x = 41,519.31 × 16,658.44
  4. Step 4: Simplify right side
    30,086.31x = 691,646,934.48
  5. Step 5: Solve for x
    x = 691,646,934.48/30,086.31
  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.