Home / 30,260.78-41,760.60-16,832.60

Finding the Fourth Proportional to 30,260.78, 41,760.60 and 16,832.60

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Solution

The fourth proportional to 30,260.78, 41,760.60 and 16,832.60 is: 23,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.78 : 41,760.60 = 16,832.60 : x
  2. Step 2: Convert to fraction form
    30,260.78/41,760.60 = 16,832.60/x
  3. Step 3: Cross multiply
    30,260.78x = 41,760.60 × 16,832.60
  4. Step 4: Simplify right side
    30,260.78x = 702,939,475.56
  5. Step 5: Solve for x
    x = 702,939,475.56/30,260.78
  6. Step 6: Final answer
    x = 23,229.39

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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.