Home / 47,821.14-71,729.22-14,540.46

Finding the Fourth Proportional to 47,821.14, 71,729.22 and 14,540.46

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Solution

The fourth proportional to 47,821.14, 71,729.22 and 14,540.46 is: 21,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.14 : 71,729.22 = 14,540.46 : x
  2. Step 2: Convert to fraction form
    47,821.14/71,729.22 = 14,540.46/x
  3. Step 3: Cross multiply
    47,821.14x = 71,729.22 × 14,540.46
  4. Step 4: Simplify right side
    47,821.14x = 1,042,975,854.24
  5. Step 5: Solve for x
    x = 1,042,975,854.24/47,821.14
  6. Step 6: Final answer
    x = 21,809.93

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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.