Home / 39,818.75-59,736.67-13,163.32

Finding the Fourth Proportional to 39,818.75, 59,736.67 and 13,163.32

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Solution

The fourth proportional to 39,818.75, 59,736.67 and 13,163.32 is: 19,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.75 : 59,736.67 = 13,163.32 : x
  2. Step 2: Convert to fraction form
    39,818.75/59,736.67 = 13,163.32/x
  3. Step 3: Cross multiply
    39,818.75x = 59,736.67 × 13,163.32
  4. Step 4: Simplify right side
    39,818.75x = 786,332,902.94
  5. Step 5: Solve for x
    x = 786,332,902.94/39,818.75
  6. Step 6: Final answer
    x = 19,747.80

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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.