Home / 30,793.08-46,189.62-7,419.54

Finding the Fourth Proportional to 30,793.08, 46,189.62 and 7,419.54

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Solution

The fourth proportional to 30,793.08, 46,189.62 and 7,419.54 is: 11,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.08 : 46,189.62 = 7,419.54 : x
  2. Step 2: Convert to fraction form
    30,793.08/46,189.62 = 7,419.54/x
  3. Step 3: Cross multiply
    30,793.08x = 46,189.62 × 7,419.54
  4. Step 4: Simplify right side
    30,793.08x = 342,705,733.17
  5. Step 5: Solve for x
    x = 342,705,733.17/30,793.08
  6. Step 6: Final answer
    x = 11,129.31

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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.