Home / 41,851.20-62,776.80-15,561.60

Finding the Fourth Proportional to 41,851.20, 62,776.80 and 15,561.60

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Solution

The fourth proportional to 41,851.20, 62,776.80 and 15,561.60 is: 23,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,851.20 : 62,776.80 = 15,561.60 : x
  2. Step 2: Convert to fraction form
    41,851.20/62,776.80 = 15,561.60/x
  3. Step 3: Cross multiply
    41,851.20x = 62,776.80 × 15,561.60
  4. Step 4: Simplify right side
    41,851.20x = 976,907,450.88
  5. Step 5: Solve for x
    x = 976,907,450.88/41,851.20
  6. Step 6: Final answer
    x = 23,342.40

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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.