Home / 30,217.08-45,317.94-11,739

Finding the Fourth Proportional to 30,217.08, 45,317.94 and 11,739

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Solution

The fourth proportional to 30,217.08, 45,317.94 and 11,739 is: 17,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.08 : 45,317.94 = 11,739 : x
  2. Step 2: Convert to fraction form
    30,217.08/45,317.94 = 11,739/x
  3. Step 3: Cross multiply
    30,217.08x = 45,317.94 × 11,739
  4. Step 4: Simplify right side
    30,217.08x = 531,987,297.66
  5. Step 5: Solve for x
    x = 531,987,297.66/30,217.08
  6. Step 6: Final answer
    x = 17,605.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.