Home / 30,174.62-41,641.25-18,245.93

Finding the Fourth Proportional to 30,174.62, 41,641.25 and 18,245.93

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Solution

The fourth proportional to 30,174.62, 41,641.25 and 18,245.93 is: 25,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.62 : 41,641.25 = 18,245.93 : x
  2. Step 2: Convert to fraction form
    30,174.62/41,641.25 = 18,245.93/x
  3. Step 3: Cross multiply
    30,174.62x = 41,641.25 × 18,245.93
  4. Step 4: Simplify right side
    30,174.62x = 759,783,033.18
  5. Step 5: Solve for x
    x = 759,783,033.18/30,174.62
  6. Step 6: Final answer
    x = 25,179.54

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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.