Home / 50,868.75-70,198.88-30,996.75

Finding the Fourth Proportional to 50,868.75, 70,198.88 and 30,996.75

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Solution

The fourth proportional to 50,868.75, 70,198.88 and 30,996.75 is: 42,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.75 : 70,198.88 = 30,996.75 : x
  2. Step 2: Convert to fraction form
    50,868.75/70,198.88 = 30,996.75/x
  3. Step 3: Cross multiply
    50,868.75x = 70,198.88 × 30,996.75
  4. Step 4: Simplify right side
    50,868.75x = 2,175,936,978.66
  5. Step 5: Solve for x
    x = 2,175,936,978.66/50,868.75
  6. Step 6: Final answer
    x = 42,775.52

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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.