Home / 54,821.40-82,182.66-19,736.52

Finding the Fourth Proportional to 54,821.40, 82,182.66 and 19,736.52

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Solution

The fourth proportional to 54,821.40, 82,182.66 and 19,736.52 is: 29,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.40 : 82,182.66 = 19,736.52 : x
  2. Step 2: Convert to fraction form
    54,821.40/82,182.66 = 19,736.52/x
  3. Step 3: Cross multiply
    54,821.40x = 82,182.66 × 19,736.52
  4. Step 4: Simplify right side
    54,821.40x = 1,621,999,712.74
  5. Step 5: Solve for x
    x = 1,621,999,712.74/54,821.40
  6. Step 6: Final answer
    x = 29,586.98

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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.