Home / 30,952.11-46,427.70-7,578.54

Finding the Fourth Proportional to 30,952.11, 46,427.70 and 7,578.54

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Solution

The fourth proportional to 30,952.11, 46,427.70 and 7,578.54 is: 11,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,952.11 : 46,427.70 = 7,578.54 : x
  2. Step 2: Convert to fraction form
    30,952.11/46,427.70 = 7,578.54/x
  3. Step 3: Cross multiply
    30,952.11x = 46,427.70 × 7,578.54
  4. Step 4: Simplify right side
    30,952.11x = 351,854,181.56
  5. Step 5: Solve for x
    x = 351,854,181.56/30,952.11
  6. Step 6: Final answer
    x = 11,367.70

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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.