Home / 49,483.13-74,235.62-18,318.38

Finding the Fourth Proportional to 49,483.13, 74,235.62 and 18,318.38

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Solution

The fourth proportional to 49,483.13, 74,235.62 and 18,318.38 is: 27,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,483.13 : 74,235.62 = 18,318.38 : x
  2. Step 2: Convert to fraction form
    49,483.13/74,235.62 = 18,318.38/x
  3. Step 3: Cross multiply
    49,483.13x = 74,235.62 × 18,318.38
  4. Step 4: Simplify right side
    49,483.13x = 1,359,875,971.31
  5. Step 5: Solve for x
    x = 1,359,875,971.31/49,483.13
  6. Step 6: Final answer
    x = 27,481.61

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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.