Home / 55,791.74-83,683.55-18,351.38

Finding the Fourth Proportional to 55,791.74, 83,683.55 and 18,351.38

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Solution

The fourth proportional to 55,791.74, 83,683.55 and 18,351.38 is: 27,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.74 : 83,683.55 = 18,351.38 : x
  2. Step 2: Convert to fraction form
    55,791.74/83,683.55 = 18,351.38/x
  3. Step 3: Cross multiply
    55,791.74x = 83,683.55 × 18,351.38
  4. Step 4: Simplify right side
    55,791.74x = 1,535,708,625.80
  5. Step 5: Solve for x
    x = 1,535,708,625.80/55,791.74
  6. Step 6: Final answer
    x = 27,525.73

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1.5x scale

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.