Home / 50,995.36-70,369.86-30,863.44

Finding the Fourth Proportional to 50,995.36, 70,369.86 and 30,863.44

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Solution

The fourth proportional to 50,995.36, 70,369.86 and 30,863.44 is: 42,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,995.36 : 70,369.86 = 30,863.44 : x
  2. Step 2: Convert to fraction form
    50,995.36/70,369.86 = 30,863.44/x
  3. Step 3: Cross multiply
    50,995.36x = 70,369.86 × 30,863.44
  4. Step 4: Simplify right side
    50,995.36x = 2,171,855,951.92
  5. Step 5: Solve for x
    x = 2,171,855,951.92/50,995.36
  6. Step 6: Final answer
    x = 42,589.29

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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.