Home / 30,849-46,270.06-8,663.24

Finding the Fourth Proportional to 30,849, 46,270.06 and 8,663.24

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Solution

The fourth proportional to 30,849, 46,270.06 and 8,663.24 is: 12,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849 : 46,270.06 = 8,663.24 : x
  2. Step 2: Convert to fraction form
    30,849/46,270.06 = 8,663.24/x
  3. Step 3: Cross multiply
    30,849x = 46,270.06 × 8,663.24
  4. Step 4: Simplify right side
    30,849x = 400,848,634.59
  5. Step 5: Solve for x
    x = 400,848,634.59/30,849
  6. Step 6: Final answer
    x = 12,993.89

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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.