Home / 30,285.95-41,786.22-18,183.29

Finding the Fourth Proportional to 30,285.95, 41,786.22 and 18,183.29

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Solution

The fourth proportional to 30,285.95, 41,786.22 and 18,183.29 is: 25,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.95 : 41,786.22 = 18,183.29 : x
  2. Step 2: Convert to fraction form
    30,285.95/41,786.22 = 18,183.29/x
  3. Step 3: Cross multiply
    30,285.95x = 41,786.22 × 18,183.29
  4. Step 4: Simplify right side
    30,285.95x = 759,810,956.26
  5. Step 5: Solve for x
    x = 759,810,956.26/30,285.95
  6. Step 6: Final answer
    x = 25,087.90

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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.