Home / 55,986.72-83,991.93-18,544.68

Finding the Fourth Proportional to 55,986.72, 83,991.93 and 18,544.68

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Solution

The fourth proportional to 55,986.72, 83,991.93 and 18,544.68 is: 27,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.72 : 83,991.93 = 18,544.68 : x
  2. Step 2: Convert to fraction form
    55,986.72/83,991.93 = 18,544.68/x
  3. Step 3: Cross multiply
    55,986.72x = 83,991.93 × 18,544.68
  4. Step 4: Simplify right side
    55,986.72x = 1,557,603,464.43
  5. Step 5: Solve for x
    x = 1,557,603,464.43/55,986.72
  6. Step 6: Final answer
    x = 27,820.95

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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.