Home / 34,156.40-51,234.60-18,604.40

Finding the Fourth Proportional to 34,156.40, 51,234.60 and 18,604.40

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Solution

The fourth proportional to 34,156.40, 51,234.60 and 18,604.40 is: 27,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,156.40 : 51,234.60 = 18,604.40 : x
  2. Step 2: Convert to fraction form
    34,156.40/51,234.60 = 18,604.40/x
  3. Step 3: Cross multiply
    34,156.40x = 51,234.60 × 18,604.40
  4. Step 4: Simplify right side
    34,156.40x = 953,188,992.24
  5. Step 5: Solve for x
    x = 953,188,992.24/34,156.40
  6. Step 6: Final answer
    x = 27,906.60

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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.