Home / 38,621.90-57,942.10-16,120.07

Finding the Fourth Proportional to 38,621.90, 57,942.10 and 16,120.07

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Solution

The fourth proportional to 38,621.90, 57,942.10 and 16,120.07 is: 24,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.90 : 57,942.10 = 16,120.07 : x
  2. Step 2: Convert to fraction form
    38,621.90/57,942.10 = 16,120.07/x
  3. Step 3: Cross multiply
    38,621.90x = 57,942.10 × 16,120.07
  4. Step 4: Simplify right side
    38,621.90x = 934,030,707.95
  5. Step 5: Solve for x
    x = 934,030,707.95/38,621.90
  6. Step 6: Final answer
    x = 24,183.97

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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.