Home / 30,016.92-41,425.84-16,590.78

Finding the Fourth Proportional to 30,016.92, 41,425.84 and 16,590.78

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Solution

The fourth proportional to 30,016.92, 41,425.84 and 16,590.78 is: 22,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.92 : 41,425.84 = 16,590.78 : x
  2. Step 2: Convert to fraction form
    30,016.92/41,425.84 = 16,590.78/x
  3. Step 3: Cross multiply
    30,016.92x = 41,425.84 × 16,590.78
  4. Step 4: Simplify right side
    30,016.92x = 687,286,997.76
  5. Step 5: Solve for x
    x = 687,286,997.76/30,016.92
  6. Step 6: Final answer
    x = 22,896.65

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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.