Home / 34,915.78-48,183.37-18,999.96

Finding the Fourth Proportional to 34,915.78, 48,183.37 and 18,999.96

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Solution

The fourth proportional to 34,915.78, 48,183.37 and 18,999.96 is: 26,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.78 : 48,183.37 = 18,999.96 : x
  2. Step 2: Convert to fraction form
    34,915.78/48,183.37 = 18,999.96/x
  3. Step 3: Cross multiply
    34,915.78x = 48,183.37 × 18,999.96
  4. Step 4: Simplify right side
    34,915.78x = 915,481,861.75
  5. Step 5: Solve for x
    x = 915,481,861.75/34,915.78
  6. Step 6: Final answer
    x = 26,219.72

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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.