Home / 45,147.78-67,763.25-22,977

Finding the Fourth Proportional to 45,147.78, 67,763.25 and 22,977

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Solution

The fourth proportional to 45,147.78, 67,763.25 and 22,977 is: 34,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.78 : 67,763.25 = 22,977 : x
  2. Step 2: Convert to fraction form
    45,147.78/67,763.25 = 22,977/x
  3. Step 3: Cross multiply
    45,147.78x = 67,763.25 × 22,977
  4. Step 4: Simplify right side
    45,147.78x = 1,556,996,195.25
  5. Step 5: Solve for x
    x = 1,556,996,195.25/45,147.78
  6. Step 6: Final answer
    x = 34,486.66

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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.