Home / 30,077.44-45,120.96-10,351.12

Finding the Fourth Proportional to 30,077.44, 45,120.96 and 10,351.12

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Solution

The fourth proportional to 30,077.44, 45,120.96 and 10,351.12 is: 15,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.44 : 45,120.96 = 10,351.12 : x
  2. Step 2: Convert to fraction form
    30,077.44/45,120.96 = 10,351.12/x
  3. Step 3: Cross multiply
    30,077.44x = 45,120.96 × 10,351.12
  4. Step 4: Simplify right side
    30,077.44x = 467,052,471.48
  5. Step 5: Solve for x
    x = 467,052,471.48/30,077.44
  6. Step 6: Final answer
    x = 15,528.33

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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.