Home / 31,082.60-42,893.46-16,935.56

Finding the Fourth Proportional to 31,082.60, 42,893.46 and 16,935.56

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Solution

The fourth proportional to 31,082.60, 42,893.46 and 16,935.56 is: 23,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,082.60 : 42,893.46 = 16,935.56 : x
  2. Step 2: Convert to fraction form
    31,082.60/42,893.46 = 16,935.56/x
  3. Step 3: Cross multiply
    31,082.60x = 42,893.46 × 16,935.56
  4. Step 4: Simplify right side
    31,082.60x = 726,424,765.44
  5. Step 5: Solve for x
    x = 726,424,765.44/31,082.60
  6. Step 6: Final answer
    x = 23,370.79

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1.5x scale

Why These Related Problems?

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