Home / 20,858.76-31,293.27-6,067.81

Finding the Fourth Proportional to 20,858.76, 31,293.27 and 6,067.81

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Solution

The fourth proportional to 20,858.76, 31,293.27 and 6,067.81 is: 9,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.76 : 31,293.27 = 6,067.81 : x
  2. Step 2: Convert to fraction form
    20,858.76/31,293.27 = 6,067.81/x
  3. Step 3: Cross multiply
    20,858.76x = 31,293.27 × 6,067.81
  4. Step 4: Simplify right side
    20,858.76x = 189,881,429.83
  5. Step 5: Solve for x
    x = 189,881,429.83/20,858.76
  6. Step 6: Final answer
    x = 9,103.20

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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.