Home / 33,862.90-46,731.16-20,431.56

Finding the Fourth Proportional to 33,862.90, 46,731.16 and 20,431.56

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Solution

The fourth proportional to 33,862.90, 46,731.16 and 20,431.56 is: 28,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,862.90 : 46,731.16 = 20,431.56 : x
  2. Step 2: Convert to fraction form
    33,862.90/46,731.16 = 20,431.56/x
  3. Step 3: Cross multiply
    33,862.90x = 46,731.16 × 20,431.56
  4. Step 4: Simplify right side
    33,862.90x = 954,790,499.41
  5. Step 5: Solve for x
    x = 954,790,499.41/33,862.90
  6. Step 6: Final answer
    x = 28,195.77

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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.