Home / 30,865.26-46,294.38-8,679.54

Finding the Fourth Proportional to 30,865.26, 46,294.38 and 8,679.54

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Solution

The fourth proportional to 30,865.26, 46,294.38 and 8,679.54 is: 13,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.26 : 46,294.38 = 8,679.54 : x
  2. Step 2: Convert to fraction form
    30,865.26/46,294.38 = 8,679.54/x
  3. Step 3: Cross multiply
    30,865.26x = 46,294.38 × 8,679.54
  4. Step 4: Simplify right side
    30,865.26x = 401,813,922.99
  5. Step 5: Solve for x
    x = 401,813,922.99/30,865.26
  6. Step 6: Final answer
    x = 13,018.32

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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.