Home / 36,091.54-54,143.15-11,125.75

Finding the Fourth Proportional to 36,091.54, 54,143.15 and 11,125.75

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Solution

The fourth proportional to 36,091.54, 54,143.15 and 11,125.75 is: 16,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.54 : 54,143.15 = 11,125.75 : x
  2. Step 2: Convert to fraction form
    36,091.54/54,143.15 = 11,125.75/x
  3. Step 3: Cross multiply
    36,091.54x = 54,143.15 × 11,125.75
  4. Step 4: Simplify right side
    36,091.54x = 602,383,032.91
  5. Step 5: Solve for x
    x = 602,383,032.91/36,091.54
  6. Step 6: Final answer
    x = 16,690.42

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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.