Home / 30,770.24-46,134.81-15,786.54

Finding the Fourth Proportional to 30,770.24, 46,134.81 and 15,786.54

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Solution

The fourth proportional to 30,770.24, 46,134.81 and 15,786.54 is: 23,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.24 : 46,134.81 = 15,786.54 : x
  2. Step 2: Convert to fraction form
    30,770.24/46,134.81 = 15,786.54/x
  3. Step 3: Cross multiply
    30,770.24x = 46,134.81 × 15,786.54
  4. Step 4: Simplify right side
    30,770.24x = 728,309,023.46
  5. Step 5: Solve for x
    x = 728,309,023.46/30,770.24
  6. Step 6: Final answer
    x = 23,669.27

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1.5x scale

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.