Home / 39,857.37-59,790.11-13,563.96

Finding the Fourth Proportional to 39,857.37, 59,790.11 and 13,563.96

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Solution

The fourth proportional to 39,857.37, 59,790.11 and 13,563.96 is: 20,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.37 : 59,790.11 = 13,563.96 : x
  2. Step 2: Convert to fraction form
    39,857.37/59,790.11 = 13,563.96/x
  3. Step 3: Cross multiply
    39,857.37x = 59,790.11 × 13,563.96
  4. Step 4: Simplify right side
    39,857.37x = 810,990,592.62
  5. Step 5: Solve for x
    x = 810,990,592.62/39,857.37
  6. Step 6: Final answer
    x = 20,347.32

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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.