Home / 38,906.85-58,369.52-12,611.61

Finding the Fourth Proportional to 38,906.85, 58,369.52 and 12,611.61

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Solution

The fourth proportional to 38,906.85, 58,369.52 and 12,611.61 is: 18,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.85 : 58,369.52 = 12,611.61 : x
  2. Step 2: Convert to fraction form
    38,906.85/58,369.52 = 12,611.61/x
  3. Step 3: Cross multiply
    38,906.85x = 58,369.52 × 12,611.61
  4. Step 4: Simplify right side
    38,906.85x = 736,133,559.07
  5. Step 5: Solve for x
    x = 736,133,559.07/38,906.85
  6. Step 6: Final answer
    x = 18,920.41

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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.