Home / 39,791.46-59,682.72-10,209.96

Finding the Fourth Proportional to 39,791.46, 59,682.72 and 10,209.96

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Solution

The fourth proportional to 39,791.46, 59,682.72 and 10,209.96 is: 15,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.46 : 59,682.72 = 10,209.96 : x
  2. Step 2: Convert to fraction form
    39,791.46/59,682.72 = 10,209.96/x
  3. Step 3: Cross multiply
    39,791.46x = 59,682.72 × 10,209.96
  4. Step 4: Simplify right side
    39,791.46x = 609,358,183.89
  5. Step 5: Solve for x
    x = 609,358,183.89/39,791.46
  6. Step 6: Final answer
    x = 15,313.79

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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.