Home / 49,511.94-74,287.36-21,790.50

Finding the Fourth Proportional to 49,511.94, 74,287.36 and 21,790.50

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Solution

The fourth proportional to 49,511.94, 74,287.36 and 21,790.50 is: 32,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.94 : 74,287.36 = 21,790.50 : x
  2. Step 2: Convert to fraction form
    49,511.94/74,287.36 = 21,790.50/x
  3. Step 3: Cross multiply
    49,511.94x = 74,287.36 × 21,790.50
  4. Step 4: Simplify right side
    49,511.94x = 1,618,758,718.08
  5. Step 5: Solve for x
    x = 1,618,758,718.08/49,511.94
  6. Step 6: Final answer
    x = 32,694.31

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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.