Home / 49,551.48-74,361.06-19,971.63

Finding the Fourth Proportional to 49,551.48, 74,361.06 and 19,971.63

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Solution

The fourth proportional to 49,551.48, 74,361.06 and 19,971.63 is: 29,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,551.48 : 74,361.06 = 19,971.63 : x
  2. Step 2: Convert to fraction form
    49,551.48/74,361.06 = 19,971.63/x
  3. Step 3: Cross multiply
    49,551.48x = 74,361.06 × 19,971.63
  4. Step 4: Simplify right side
    49,551.48x = 1,485,111,576.73
  5. Step 5: Solve for x
    x = 1,485,111,576.73/49,551.48
  6. Step 6: Final answer
    x = 29,971.08

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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.