Home / 47,874.74-71,817.01-18,317.43

Finding the Fourth Proportional to 47,874.74, 71,817.01 and 18,317.43

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Solution

The fourth proportional to 47,874.74, 71,817.01 and 18,317.43 is: 27,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,874.74 : 71,817.01 = 18,317.43 : x
  2. Step 2: Convert to fraction form
    47,874.74/71,817.01 = 18,317.43/x
  3. Step 3: Cross multiply
    47,874.74x = 71,817.01 × 18,317.43
  4. Step 4: Simplify right side
    47,874.74x = 1,315,503,007.69
  5. Step 5: Solve for x
    x = 1,315,503,007.69/47,874.74
  6. Step 6: Final answer
    x = 27,478.02

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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.