Home / 49,639.67-68,503.19-26,978.72

Finding the Fourth Proportional to 49,639.67, 68,503.19 and 26,978.72

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Solution

The fourth proportional to 49,639.67, 68,503.19 and 26,978.72 is: 37,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.67 : 68,503.19 = 26,978.72 : x
  2. Step 2: Convert to fraction form
    49,639.67/68,503.19 = 26,978.72/x
  3. Step 3: Cross multiply
    49,639.67x = 68,503.19 × 26,978.72
  4. Step 4: Simplify right side
    49,639.67x = 1,848,128,107.05
  5. Step 5: Solve for x
    x = 1,848,128,107.05/49,639.67
  6. Step 6: Final answer
    x = 37,230.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.