Home / 51,027.44-70,406.96-30,880.31

Finding the Fourth Proportional to 51,027.44, 70,406.96 and 30,880.31

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Solution

The fourth proportional to 51,027.44, 70,406.96 and 30,880.31 is: 42,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.44 : 70,406.96 = 30,880.31 : x
  2. Step 2: Convert to fraction form
    51,027.44/70,406.96 = 30,880.31/x
  3. Step 3: Cross multiply
    51,027.44x = 70,406.96 × 30,880.31
  4. Step 4: Simplify right side
    51,027.44x = 2,174,188,244.52
  5. Step 5: Solve for x
    x = 2,174,188,244.52/51,027.44
  6. Step 6: Final answer
    x = 42,608.22

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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.