Home / 40,661.76-60,997.56-14,361.12

Finding the Fourth Proportional to 40,661.76, 60,997.56 and 14,361.12

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Solution

The fourth proportional to 40,661.76, 60,997.56 and 14,361.12 is: 21,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.76 : 60,997.56 = 14,361.12 : x
  2. Step 2: Convert to fraction form
    40,661.76/60,997.56 = 14,361.12/x
  3. Step 3: Cross multiply
    40,661.76x = 60,997.56 × 14,361.12
  4. Step 4: Simplify right side
    40,661.76x = 875,993,278.87
  5. Step 5: Solve for x
    x = 875,993,278.87/40,661.76
  6. Step 6: Final answer
    x = 21,543.42

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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.