Home / 31,074.14-42,883.35-16,928.30

Finding the Fourth Proportional to 31,074.14, 42,883.35 and 16,928.30

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Solution

The fourth proportional to 31,074.14, 42,883.35 and 16,928.30 is: 23,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074.14 : 42,883.35 = 16,928.30 : x
  2. Step 2: Convert to fraction form
    31,074.14/42,883.35 = 16,928.30/x
  3. Step 3: Cross multiply
    31,074.14x = 42,883.35 × 16,928.30
  4. Step 4: Simplify right side
    31,074.14x = 725,942,213.81
  5. Step 5: Solve for x
    x = 725,942,213.81/31,074.14
  6. Step 6: Final answer
    x = 23,361.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.