Home / 40,481.67-60,685.47-14,172.06

Finding the Fourth Proportional to 40,481.67, 60,685.47 and 14,172.06

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Solution

The fourth proportional to 40,481.67, 60,685.47 and 14,172.06 is: 21,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,481.67 : 60,685.47 = 14,172.06 : x
  2. Step 2: Convert to fraction form
    40,481.67/60,685.47 = 14,172.06/x
  3. Step 3: Cross multiply
    40,481.67x = 60,685.47 × 14,172.06
  4. Step 4: Simplify right side
    40,481.67x = 860,038,121.97
  5. Step 5: Solve for x
    x = 860,038,121.97/40,481.67
  6. Step 6: Final answer
    x = 21,245.12

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1.5x scale

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.