Home / 38,813.10-58,217.60-12,517.84

Finding the Fourth Proportional to 38,813.10, 58,217.60 and 12,517.84

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Solution

The fourth proportional to 38,813.10, 58,217.60 and 12,517.84 is: 18,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,813.10 : 58,217.60 = 12,517.84 : x
  2. Step 2: Convert to fraction form
    38,813.10/58,217.60 = 12,517.84/x
  3. Step 3: Cross multiply
    38,813.10x = 58,217.60 × 12,517.84
  4. Step 4: Simplify right side
    38,813.10x = 728,758,653.24
  5. Step 5: Solve for x
    x = 728,758,653.24/38,813.10
  6. Step 6: Final answer
    x = 18,776.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.