Home / 38,685.36-58,035.30-12,383.04

Finding the Fourth Proportional to 38,685.36, 58,035.30 and 12,383.04

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Solution

The fourth proportional to 38,685.36, 58,035.30 and 12,383.04 is: 18,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.36 : 58,035.30 = 12,383.04 : x
  2. Step 2: Convert to fraction form
    38,685.36/58,035.30 = 12,383.04/x
  3. Step 3: Cross multiply
    38,685.36x = 58,035.30 × 12,383.04
  4. Step 4: Simplify right side
    38,685.36x = 718,653,441.31
  5. Step 5: Solve for x
    x = 718,653,441.31/38,685.36
  6. Step 6: Final answer
    x = 18,576.88

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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.