Home / 47,668.21-71,474.27-18,088.12

Finding the Fourth Proportional to 47,668.21, 71,474.27 and 18,088.12

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Solution

The fourth proportional to 47,668.21, 71,474.27 and 18,088.12 is: 27,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.21 : 71,474.27 = 18,088.12 : x
  2. Step 2: Convert to fraction form
    47,668.21/71,474.27 = 18,088.12/x
  3. Step 3: Cross multiply
    47,668.21x = 71,474.27 × 18,088.12
  4. Step 4: Simplify right side
    47,668.21x = 1,292,835,396.58
  5. Step 5: Solve for x
    x = 1,292,835,396.58/47,668.21
  6. Step 6: Final answer
    x = 27,121.54

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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.