Home / 30,149.52-41,596.38-18,208.32

Finding the Fourth Proportional to 30,149.52, 41,596.38 and 18,208.32

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Solution

The fourth proportional to 30,149.52, 41,596.38 and 18,208.32 is: 25,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.52 : 41,596.38 = 18,208.32 : x
  2. Step 2: Convert to fraction form
    30,149.52/41,596.38 = 18,208.32/x
  3. Step 3: Cross multiply
    30,149.52x = 41,596.38 × 18,208.32
  4. Step 4: Simplify right side
    30,149.52x = 757,400,197.88
  5. Step 5: Solve for x
    x = 757,400,197.88/30,149.52
  6. Step 6: Final answer
    x = 25,121.47

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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.