Home / 47,467.57-71,166.25-28,743.20

Finding the Fourth Proportional to 47,467.57, 71,166.25 and 28,743.20

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Solution

The fourth proportional to 47,467.57, 71,166.25 and 28,743.20 is: 43,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,467.57 : 71,166.25 = 28,743.20 : x
  2. Step 2: Convert to fraction form
    47,467.57/71,166.25 = 28,743.20/x
  3. Step 3: Cross multiply
    47,467.57x = 71,166.25 × 28,743.20
  4. Step 4: Simplify right side
    47,467.57x = 2,045,545,942.60
  5. Step 5: Solve for x
    x = 2,045,545,942.60/47,467.57
  6. Step 6: Final answer
    x = 43,093.55

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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.