Home / 47,896.98-71,828.18-20,197.14

Finding the Fourth Proportional to 47,896.98, 71,828.18 and 20,197.14

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Solution

The fourth proportional to 47,896.98, 71,828.18 and 20,197.14 is: 30,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,896.98 : 71,828.18 = 20,197.14 : x
  2. Step 2: Convert to fraction form
    47,896.98/71,828.18 = 20,197.14/x
  3. Step 3: Cross multiply
    47,896.98x = 71,828.18 × 20,197.14
  4. Step 4: Simplify right side
    47,896.98x = 1,450,723,807.41
  5. Step 5: Solve for x
    x = 1,450,723,807.41/47,896.98
  6. Step 6: Final answer
    x = 30,288.42

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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.