Home / 53,299.44-79,949.04-21,722.64

Finding the Fourth Proportional to 53,299.44, 79,949.04 and 21,722.64

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Solution

The fourth proportional to 53,299.44, 79,949.04 and 21,722.64 is: 32,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.44 : 79,949.04 = 21,722.64 : x
  2. Step 2: Convert to fraction form
    53,299.44/79,949.04 = 21,722.64/x
  3. Step 3: Cross multiply
    53,299.44x = 79,949.04 × 21,722.64
  4. Step 4: Simplify right side
    53,299.44x = 1,736,704,214.27
  5. Step 5: Solve for x
    x = 1,736,704,214.27/53,299.44
  6. Step 6: Final answer
    x = 32,583.91

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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.