Home / 34,040.36-46,976.64-20,613.92

Finding the Fourth Proportional to 34,040.36, 46,976.64 and 20,613.92

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Solution

The fourth proportional to 34,040.36, 46,976.64 and 20,613.92 is: 28,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,040.36 : 46,976.64 = 20,613.92 : x
  2. Step 2: Convert to fraction form
    34,040.36/46,976.64 = 20,613.92/x
  3. Step 3: Cross multiply
    34,040.36x = 46,976.64 × 20,613.92
  4. Step 4: Simplify right side
    34,040.36x = 968,372,698.83
  5. Step 5: Solve for x
    x = 968,372,698.83/34,040.36
  6. Step 6: Final answer
    x = 28,447.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.