Home / 47,848.19-71,743.32-19,786.68

Finding the Fourth Proportional to 47,848.19, 71,743.32 and 19,786.68

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Solution

The fourth proportional to 47,848.19, 71,743.32 and 19,786.68 is: 29,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,848.19 : 71,743.32 = 19,786.68 : x
  2. Step 2: Convert to fraction form
    47,848.19/71,743.32 = 19,786.68/x
  3. Step 3: Cross multiply
    47,848.19x = 71,743.32 × 19,786.68
  4. Step 4: Simplify right side
    47,848.19x = 1,419,562,114.98
  5. Step 5: Solve for x
    x = 1,419,562,114.98/47,848.19
  6. Step 6: Final answer
    x = 29,668.05

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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.