Home / 38,158.44-52,658.94-21,391.56

Finding the Fourth Proportional to 38,158.44, 52,658.94 and 21,391.56

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Solution

The fourth proportional to 38,158.44, 52,658.94 and 21,391.56 is: 29,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.44 : 52,658.94 = 21,391.56 : x
  2. Step 2: Convert to fraction form
    38,158.44/52,658.94 = 21,391.56/x
  3. Step 3: Cross multiply
    38,158.44x = 52,658.94 × 21,391.56
  4. Step 4: Simplify right side
    38,158.44x = 1,126,456,874.55
  5. Step 5: Solve for x
    x = 1,126,456,874.55/38,158.44
  6. Step 6: Final answer
    x = 29,520.52

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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.