Home / 39,147.12-58,709.88-11,064.96

Finding the Fourth Proportional to 39,147.12, 58,709.88 and 11,064.96

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Solution

The fourth proportional to 39,147.12, 58,709.88 and 11,064.96 is: 16,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.12 : 58,709.88 = 11,064.96 : x
  2. Step 2: Convert to fraction form
    39,147.12/58,709.88 = 11,064.96/x
  3. Step 3: Cross multiply
    39,147.12x = 58,709.88 × 11,064.96
  4. Step 4: Simplify right side
    39,147.12x = 649,622,473.80
  5. Step 5: Solve for x
    x = 649,622,473.80/39,147.12
  6. Step 6: Final answer
    x = 16,594.39

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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.