Home / 39,819.55-59,766.24-20,111.93

Finding the Fourth Proportional to 39,819.55, 59,766.24 and 20,111.93

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Solution

The fourth proportional to 39,819.55, 59,766.24 and 20,111.93 is: 30,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.55 : 59,766.24 = 20,111.93 : x
  2. Step 2: Convert to fraction form
    39,819.55/59,766.24 = 20,111.93/x
  3. Step 3: Cross multiply
    39,819.55x = 59,766.24 × 20,111.93
  4. Step 4: Simplify right side
    39,819.55x = 1,202,014,435.24
  5. Step 5: Solve for x
    x = 1,202,014,435.24/39,819.55
  6. Step 6: Final answer
    x = 30,186.54

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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.