Home / 51,578.10-71,171.42-31,427.64

Finding the Fourth Proportional to 51,578.10, 71,171.42 and 31,427.64

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Solution

The fourth proportional to 51,578.10, 71,171.42 and 31,427.64 is: 43,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.10 : 71,171.42 = 31,427.64 : x
  2. Step 2: Convert to fraction form
    51,578.10/71,171.42 = 31,427.64/x
  3. Step 3: Cross multiply
    51,578.10x = 71,171.42 × 31,427.64
  4. Step 4: Simplify right side
    51,578.10x = 2,236,749,608.91
  5. Step 5: Solve for x
    x = 2,236,749,608.91/51,578.10
  6. Step 6: Final answer
    x = 43,366.27

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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.