Home / 30,173.64-41,638.62-18,234.93

Finding the Fourth Proportional to 30,173.64, 41,638.62 and 18,234.93

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Solution

The fourth proportional to 30,173.64, 41,638.62 and 18,234.93 is: 25,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.64 : 41,638.62 = 18,234.93 : x
  2. Step 2: Convert to fraction form
    30,173.64/41,638.62 = 18,234.93/x
  3. Step 3: Cross multiply
    30,173.64x = 41,638.62 × 18,234.93
  4. Step 4: Simplify right side
    30,173.64x = 759,277,321.00
  5. Step 5: Solve for x
    x = 759,277,321.00/30,173.64
  6. Step 6: Final answer
    x = 25,163.60

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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.