Home / 54,820.40-82,181.16-19,735.52

Finding the Fourth Proportional to 54,820.40, 82,181.16 and 19,735.52

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Solution

The fourth proportional to 54,820.40, 82,181.16 and 19,735.52 is: 29,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.40 : 82,181.16 = 19,735.52 : x
  2. Step 2: Convert to fraction form
    54,820.40/82,181.16 = 19,735.52/x
  3. Step 3: Cross multiply
    54,820.40x = 82,181.16 × 19,735.52
  4. Step 4: Simplify right side
    54,820.40x = 1,621,887,926.80
  5. Step 5: Solve for x
    x = 1,621,887,926.80/54,820.40
  6. Step 6: Final answer
    x = 29,585.48

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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.