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Finding the Fourth Proportional to 55,993.69, 83,993.60 and 22,708.81

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Solution

The fourth proportional to 55,993.69, 83,993.60 and 22,708.81 is: 34,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993.69 : 83,993.60 = 22,708.81 : x
  2. Step 2: Convert to fraction form
    55,993.69/83,993.60 = 22,708.81/x
  3. Step 3: Cross multiply
    55,993.69x = 83,993.60 × 22,708.81
  4. Step 4: Simplify right side
    55,993.69x = 1,907,394,590.07
  5. Step 5: Solve for x
    x = 1,907,394,590.07/55,993.69
  6. Step 6: Final answer
    x = 34,064.46

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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.