Home / 30,087.41-41,522.16-16,660.15

Finding the Fourth Proportional to 30,087.41, 41,522.16 and 16,660.15

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Solution

The fourth proportional to 30,087.41, 41,522.16 and 16,660.15 is: 22,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.41 : 41,522.16 = 16,660.15 : x
  2. Step 2: Convert to fraction form
    30,087.41/41,522.16 = 16,660.15/x
  3. Step 3: Cross multiply
    30,087.41x = 41,522.16 × 16,660.15
  4. Step 4: Simplify right side
    30,087.41x = 691,765,413.92
  5. Step 5: Solve for x
    x = 691,765,413.92/30,087.41
  6. Step 6: Final answer
    x = 22,991.86

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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.