Home / 30,670.34-42,324.80-17,241.44

Finding the Fourth Proportional to 30,670.34, 42,324.80 and 17,241.44

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Solution

The fourth proportional to 30,670.34, 42,324.80 and 17,241.44 is: 23,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.34 : 42,324.80 = 17,241.44 : x
  2. Step 2: Convert to fraction form
    30,670.34/42,324.80 = 17,241.44/x
  3. Step 3: Cross multiply
    30,670.34x = 42,324.80 × 17,241.44
  4. Step 4: Simplify right side
    30,670.34x = 729,740,201.88
  5. Step 5: Solve for x
    x = 729,740,201.88/30,670.34
  6. Step 6: Final answer
    x = 23,793.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.