Home / 50,986.32-70,362.64-30,846.88

Finding the Fourth Proportional to 50,986.32, 70,362.64 and 30,846.88

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Solution

The fourth proportional to 50,986.32, 70,362.64 and 30,846.88 is: 42,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.32 : 70,362.64 = 30,846.88 : x
  2. Step 2: Convert to fraction form
    50,986.32/70,362.64 = 30,846.88/x
  3. Step 3: Cross multiply
    50,986.32x = 70,362.64 × 30,846.88
  4. Step 4: Simplify right side
    50,986.32x = 2,170,467,912.56
  5. Step 5: Solve for x
    x = 2,170,467,912.56/50,986.32
  6. Step 6: Final answer
    x = 42,569.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.