Home / 47,621.69-71,425.52-12,563.81

Finding the Fourth Proportional to 47,621.69, 71,425.52 and 12,563.81

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Solution

The fourth proportional to 47,621.69, 71,425.52 and 12,563.81 is: 18,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.69 : 71,425.52 = 12,563.81 : x
  2. Step 2: Convert to fraction form
    47,621.69/71,425.52 = 12,563.81/x
  3. Step 3: Cross multiply
    47,621.69x = 71,425.52 × 12,563.81
  4. Step 4: Simplify right side
    47,621.69x = 897,376,599.61
  5. Step 5: Solve for x
    x = 897,376,599.61/47,621.69
  6. Step 6: Final answer
    x = 18,843.86

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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.