Home / 34,915.38-48,183.24-18,999.49

Finding the Fourth Proportional to 34,915.38, 48,183.24 and 18,999.49

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Solution

The fourth proportional to 34,915.38, 48,183.24 and 18,999.49 is: 26,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.38 : 48,183.24 = 18,999.49 : x
  2. Step 2: Convert to fraction form
    34,915.38/48,183.24 = 18,999.49/x
  3. Step 3: Cross multiply
    34,915.38x = 48,183.24 × 18,999.49
  4. Step 4: Simplify right side
    34,915.38x = 915,456,986.55
  5. Step 5: Solve for x
    x = 915,456,986.55/34,915.38
  6. Step 6: Final answer
    x = 26,219.30

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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.