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Finding the Fourth Proportional to 30,604.60, 45,908.07 and 10,885.96

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Solution

The fourth proportional to 30,604.60, 45,908.07 and 10,885.96 is: 16,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.60 : 45,908.07 = 10,885.96 : x
  2. Step 2: Convert to fraction form
    30,604.60/45,908.07 = 10,885.96/x
  3. Step 3: Cross multiply
    30,604.60x = 45,908.07 × 10,885.96
  4. Step 4: Simplify right side
    30,604.60x = 499,753,413.70
  5. Step 5: Solve for x
    x = 499,753,413.70/30,604.60
  6. Step 6: Final answer
    x = 16,329.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.