Home / 38,235.65-57,353.47-11,942.64

Finding the Fourth Proportional to 38,235.65, 57,353.47 and 11,942.64

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Solution

The fourth proportional to 38,235.65, 57,353.47 and 11,942.64 is: 17,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.65 : 57,353.47 = 11,942.64 : x
  2. Step 2: Convert to fraction form
    38,235.65/57,353.47 = 11,942.64/x
  3. Step 3: Cross multiply
    38,235.65x = 57,353.47 × 11,942.64
  4. Step 4: Simplify right side
    38,235.65x = 684,951,815.10
  5. Step 5: Solve for x
    x = 684,951,815.10/38,235.65
  6. Step 6: Final answer
    x = 17,913.96

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Why These Related Problems?

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