Home / 49,412.96-74,087.84-21,351.28

Finding the Fourth Proportional to 49,412.96, 74,087.84 and 21,351.28

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Solution

The fourth proportional to 49,412.96, 74,087.84 and 21,351.28 is: 32,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.96 : 74,087.84 = 21,351.28 : x
  2. Step 2: Convert to fraction form
    49,412.96/74,087.84 = 21,351.28/x
  3. Step 3: Cross multiply
    49,412.96x = 74,087.84 × 21,351.28
  4. Step 4: Simplify right side
    49,412.96x = 1,581,870,216.44
  5. Step 5: Solve for x
    x = 1,581,870,216.44/49,412.96
  6. Step 6: Final answer
    x = 32,013.27

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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.