Home / 49,623.64-74,435.36-21,540.06

Finding the Fourth Proportional to 49,623.64, 74,435.36 and 21,540.06

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Solution

The fourth proportional to 49,623.64, 74,435.36 and 21,540.06 is: 32,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,623.64 : 74,435.36 = 21,540.06 : x
  2. Step 2: Convert to fraction form
    49,623.64/74,435.36 = 21,540.06/x
  3. Step 3: Cross multiply
    49,623.64x = 74,435.36 × 21,540.06
  4. Step 4: Simplify right side
    49,623.64x = 1,603,342,012.82
  5. Step 5: Solve for x
    x = 1,603,342,012.82/49,623.64
  6. Step 6: Final answer
    x = 32,310.05

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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.