Home / 38,161.91-57,247.94-14,142.89

Finding the Fourth Proportional to 38,161.91, 57,247.94 and 14,142.89

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Solution

The fourth proportional to 38,161.91, 57,247.94 and 14,142.89 is: 21,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.91 : 57,247.94 = 14,142.89 : x
  2. Step 2: Convert to fraction form
    38,161.91/57,247.94 = 14,142.89/x
  3. Step 3: Cross multiply
    38,161.91x = 57,247.94 × 14,142.89
  4. Step 4: Simplify right side
    38,161.91x = 809,651,456.85
  5. Step 5: Solve for x
    x = 809,651,456.85/38,161.91
  6. Step 6: Final answer
    x = 21,216.22

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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.