Home / 30,656.26-42,304.44-18,739.54

Finding the Fourth Proportional to 30,656.26, 42,304.44 and 18,739.54

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Solution

The fourth proportional to 30,656.26, 42,304.44 and 18,739.54 is: 25,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.26 : 42,304.44 = 18,739.54 : x
  2. Step 2: Convert to fraction form
    30,656.26/42,304.44 = 18,739.54/x
  3. Step 3: Cross multiply
    30,656.26x = 42,304.44 × 18,739.54
  4. Step 4: Simplify right side
    30,656.26x = 792,765,745.56
  5. Step 5: Solve for x
    x = 792,765,745.56/30,656.26
  6. Step 6: Final answer
    x = 25,859.83

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1.5x scale

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.