Home / 38,951.38-58,418.86-13,992.85

Finding the Fourth Proportional to 38,951.38, 58,418.86 and 13,992.85

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Solution

The fourth proportional to 38,951.38, 58,418.86 and 13,992.85 is: 20,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.38 : 58,418.86 = 13,992.85 : x
  2. Step 2: Convert to fraction form
    38,951.38/58,418.86 = 13,992.85/x
  3. Step 3: Cross multiply
    38,951.38x = 58,418.86 × 13,992.85
  4. Step 4: Simplify right side
    38,951.38x = 817,446,345.15
  5. Step 5: Solve for x
    x = 817,446,345.15/38,951.38
  6. Step 6: Final answer
    x = 20,986.33

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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.