Home / 47,895.98-71,826.68-20,196.14

Finding the Fourth Proportional to 47,895.98, 71,826.68 and 20,196.14

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Solution

The fourth proportional to 47,895.98, 71,826.68 and 20,196.14 is: 30,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,895.98 : 71,826.68 = 20,196.14 : x
  2. Step 2: Convert to fraction form
    47,895.98/71,826.68 = 20,196.14/x
  3. Step 3: Cross multiply
    47,895.98x = 71,826.68 × 20,196.14
  4. Step 4: Simplify right side
    47,895.98x = 1,450,621,685.02
  5. Step 5: Solve for x
    x = 1,450,621,685.02/47,895.98
  6. Step 6: Final answer
    x = 30,286.92

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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.