Home / 45,387.78-68,022.54-23,182.44

Finding the Fourth Proportional to 45,387.78, 68,022.54 and 23,182.44

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Solution

The fourth proportional to 45,387.78, 68,022.54 and 23,182.44 is: 34,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.78 : 68,022.54 = 23,182.44 : x
  2. Step 2: Convert to fraction form
    45,387.78/68,022.54 = 23,182.44/x
  3. Step 3: Cross multiply
    45,387.78x = 68,022.54 × 23,182.44
  4. Step 4: Simplify right side
    45,387.78x = 1,576,928,452.20
  5. Step 5: Solve for x
    x = 1,576,928,452.20/45,387.78
  6. Step 6: Final answer
    x = 34,743.46

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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.