Home / 47,661.24-71,477.94-18,057.72

Finding the Fourth Proportional to 47,661.24, 71,477.94 and 18,057.72

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Solution

The fourth proportional to 47,661.24, 71,477.94 and 18,057.72 is: 27,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.24 : 71,477.94 = 18,057.72 : x
  2. Step 2: Convert to fraction form
    47,661.24/71,477.94 = 18,057.72/x
  3. Step 3: Cross multiply
    47,661.24x = 71,477.94 × 18,057.72
  4. Step 4: Simplify right side
    47,661.24x = 1,290,728,626.70
  5. Step 5: Solve for x
    x = 1,290,728,626.70/47,661.24
  6. Step 6: Final answer
    x = 27,081.31

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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.