Home / 47,904.20-71,850.82-12,841.12

Finding the Fourth Proportional to 47,904.20, 71,850.82 and 12,841.12

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Solution

The fourth proportional to 47,904.20, 71,850.82 and 12,841.12 is: 19,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904.20 : 71,850.82 = 12,841.12 : x
  2. Step 2: Convert to fraction form
    47,904.20/71,850.82 = 12,841.12/x
  3. Step 3: Cross multiply
    47,904.20x = 71,850.82 × 12,841.12
  4. Step 4: Simplify right side
    47,904.20x = 922,645,001.72
  5. Step 5: Solve for x
    x = 922,645,001.72/47,904.20
  6. Step 6: Final answer
    x = 19,260.21

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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.