Home / 49,977.94-74,991.34-21,894.16

Finding the Fourth Proportional to 49,977.94, 74,991.34 and 21,894.16

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Solution

The fourth proportional to 49,977.94, 74,991.34 and 21,894.16 is: 32,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.94 : 74,991.34 = 21,894.16 : x
  2. Step 2: Convert to fraction form
    49,977.94/74,991.34 = 21,894.16/x
  3. Step 3: Cross multiply
    49,977.94x = 74,991.34 × 21,894.16
  4. Step 4: Simplify right side
    49,977.94x = 1,641,872,396.57
  5. Step 5: Solve for x
    x = 1,641,872,396.57/49,977.94
  6. Step 6: Final answer
    x = 32,851.94

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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.