Home / 49,412.77-74,133.01-19,851.36

Finding the Fourth Proportional to 49,412.77, 74,133.01 and 19,851.36

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Solution

The fourth proportional to 49,412.77, 74,133.01 and 19,851.36 is: 29,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.77 : 74,133.01 = 19,851.36 : x
  2. Step 2: Convert to fraction form
    49,412.77/74,133.01 = 19,851.36/x
  3. Step 3: Cross multiply
    49,412.77x = 74,133.01 × 19,851.36
  4. Step 4: Simplify right side
    49,412.77x = 1,471,640,982.54
  5. Step 5: Solve for x
    x = 1,471,640,982.54/49,412.77
  6. Step 6: Final answer
    x = 29,782.61

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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.