Home / 49,152.09-73,728.94-14,091.75

Finding the Fourth Proportional to 49,152.09, 73,728.94 and 14,091.75

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Solution

The fourth proportional to 49,152.09, 73,728.94 and 14,091.75 is: 21,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152.09 : 73,728.94 = 14,091.75 : x
  2. Step 2: Convert to fraction form
    49,152.09/73,728.94 = 14,091.75/x
  3. Step 3: Cross multiply
    49,152.09x = 73,728.94 × 14,091.75
  4. Step 4: Simplify right side
    49,152.09x = 1,038,969,790.25
  5. Step 5: Solve for x
    x = 1,038,969,790.25/49,152.09
  6. Step 6: Final answer
    x = 21,137.86

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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.