Home / 30,920.23-46,379.67-7,546.60

Finding the Fourth Proportional to 30,920.23, 46,379.67 and 7,546.60

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Solution

The fourth proportional to 30,920.23, 46,379.67 and 7,546.60 is: 11,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.23 : 46,379.67 = 7,546.60 : x
  2. Step 2: Convert to fraction form
    30,920.23/46,379.67 = 7,546.60/x
  3. Step 3: Cross multiply
    30,920.23x = 46,379.67 × 7,546.60
  4. Step 4: Simplify right side
    30,920.23x = 350,008,817.62
  5. Step 5: Solve for x
    x = 350,008,817.62/30,920.23
  6. Step 6: Final answer
    x = 11,319.74

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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.