Home / 50,822.75-70,135.40-30,950.75

Finding the Fourth Proportional to 50,822.75, 70,135.40 and 30,950.75

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Solution

The fourth proportional to 50,822.75, 70,135.40 and 30,950.75 is: 42,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,822.75 : 70,135.40 = 30,950.75 : x
  2. Step 2: Convert to fraction form
    50,822.75/70,135.40 = 30,950.75/x
  3. Step 3: Cross multiply
    50,822.75x = 70,135.40 × 30,950.75
  4. Step 4: Simplify right side
    50,822.75x = 2,170,743,231.55
  5. Step 5: Solve for x
    x = 2,170,743,231.55/50,822.75
  6. Step 6: Final answer
    x = 42,712.04

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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.