Home / 30,930.63-46,395.82-11,204.57

Finding the Fourth Proportional to 30,930.63, 46,395.82 and 11,204.57

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Solution

The fourth proportional to 30,930.63, 46,395.82 and 11,204.57 is: 16,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.63 : 46,395.82 = 11,204.57 : x
  2. Step 2: Convert to fraction form
    30,930.63/46,395.82 = 11,204.57/x
  3. Step 3: Cross multiply
    30,930.63x = 46,395.82 × 11,204.57
  4. Step 4: Simplify right side
    30,930.63x = 519,845,212.90
  5. Step 5: Solve for x
    x = 519,845,212.90/30,930.63
  6. Step 6: Final answer
    x = 16,806.81

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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.