Home / 30,982.20-46,473.30-8,793.40

Finding the Fourth Proportional to 30,982.20, 46,473.30 and 8,793.40

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Solution

The fourth proportional to 30,982.20, 46,473.30 and 8,793.40 is: 13,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.20 : 46,473.30 = 8,793.40 : x
  2. Step 2: Convert to fraction form
    30,982.20/46,473.30 = 8,793.40/x
  3. Step 3: Cross multiply
    30,982.20x = 46,473.30 × 8,793.40
  4. Step 4: Simplify right side
    30,982.20x = 408,658,316.22
  5. Step 5: Solve for x
    x = 408,658,316.22/30,982.20
  6. Step 6: Final answer
    x = 13,190.10

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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.