Home / 47,672.70-71,445.36-25,137.42

Finding the Fourth Proportional to 47,672.70, 71,445.36 and 25,137.42

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Solution

The fourth proportional to 47,672.70, 71,445.36 and 25,137.42 is: 37,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.70 : 71,445.36 = 25,137.42 : x
  2. Step 2: Convert to fraction form
    47,672.70/71,445.36 = 25,137.42/x
  3. Step 3: Cross multiply
    47,672.70x = 71,445.36 × 25,137.42
  4. Step 4: Simplify right side
    47,672.70x = 1,795,952,021.37
  5. Step 5: Solve for x
    x = 1,795,952,021.37/47,672.70
  6. Step 6: Final answer
    x = 37,672.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.