Home / 54,982.24-82,473.44-19,913.68

Finding the Fourth Proportional to 54,982.24, 82,473.44 and 19,913.68

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Solution

The fourth proportional to 54,982.24, 82,473.44 and 19,913.68 is: 29,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.24 : 82,473.44 = 19,913.68 : x
  2. Step 2: Convert to fraction form
    54,982.24/82,473.44 = 19,913.68/x
  3. Step 3: Cross multiply
    54,982.24x = 82,473.44 × 19,913.68
  4. Step 4: Simplify right side
    54,982.24x = 1,642,349,692.66
  5. Step 5: Solve for x
    x = 1,642,349,692.66/54,982.24
  6. Step 6: Final answer
    x = 29,870.55

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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.