Home / 49,731.14-74,626.66-18,143.98

Finding the Fourth Proportional to 49,731.14, 74,626.66 and 18,143.98

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Solution

The fourth proportional to 49,731.14, 74,626.66 and 18,143.98 is: 27,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.14 : 74,626.66 = 18,143.98 : x
  2. Step 2: Convert to fraction form
    49,731.14/74,626.66 = 18,143.98/x
  3. Step 3: Cross multiply
    49,731.14x = 74,626.66 × 18,143.98
  4. Step 4: Simplify right side
    49,731.14x = 1,354,024,162.65
  5. Step 5: Solve for x
    x = 1,354,024,162.65/49,731.14
  6. Step 6: Final answer
    x = 27,226.89

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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.