Home / 55,791.15-83,686.62-20,252.46

Finding the Fourth Proportional to 55,791.15, 83,686.62 and 20,252.46

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Solution

The fourth proportional to 55,791.15, 83,686.62 and 20,252.46 is: 30,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.15 : 83,686.62 = 20,252.46 : x
  2. Step 2: Convert to fraction form
    55,791.15/83,686.62 = 20,252.46/x
  3. Step 3: Cross multiply
    55,791.15x = 83,686.62 × 20,252.46
  4. Step 4: Simplify right side
    55,791.15x = 1,694,859,493.83
  5. Step 5: Solve for x
    x = 1,694,859,493.83/55,791.15
  6. Step 6: Final answer
    x = 30,378.64

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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.