Home / 49,410.32-74,093.12-21,317.12

Finding the Fourth Proportional to 49,410.32, 74,093.12 and 21,317.12

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Solution

The fourth proportional to 49,410.32, 74,093.12 and 21,317.12 is: 31,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.32 : 74,093.12 = 21,317.12 : x
  2. Step 2: Convert to fraction form
    49,410.32/74,093.12 = 21,317.12/x
  3. Step 3: Cross multiply
    49,410.32x = 74,093.12 × 21,317.12
  4. Step 4: Simplify right side
    49,410.32x = 1,579,451,930.21
  5. Step 5: Solve for x
    x = 1,579,451,930.21/49,410.32
  6. Step 6: Final answer
    x = 31,966.03

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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.