Home / 50,212.46-69,261.30-30,822.86

Finding the Fourth Proportional to 50,212.46, 69,261.30 and 30,822.86

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Solution

The fourth proportional to 50,212.46, 69,261.30 and 30,822.86 is: 42,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212.46 : 69,261.30 = 30,822.86 : x
  2. Step 2: Convert to fraction form
    50,212.46/69,261.30 = 30,822.86/x
  3. Step 3: Cross multiply
    50,212.46x = 69,261.30 × 30,822.86
  4. Step 4: Simplify right side
    50,212.46x = 2,134,831,353.32
  5. Step 5: Solve for x
    x = 2,134,831,353.32/50,212.46
  6. Step 6: Final answer
    x = 42,515.97

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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.