Home / 30,609.90-42,241.68-17,182.44

Finding the Fourth Proportional to 30,609.90, 42,241.68 and 17,182.44

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Solution

The fourth proportional to 30,609.90, 42,241.68 and 17,182.44 is: 23,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609.90 : 42,241.68 = 17,182.44 : x
  2. Step 2: Convert to fraction form
    30,609.90/42,241.68 = 17,182.44/x
  3. Step 3: Cross multiply
    30,609.90x = 42,241.68 × 17,182.44
  4. Step 4: Simplify right side
    30,609.90x = 725,815,132.10
  5. Step 5: Solve for x
    x = 725,815,132.10/30,609.90
  6. Step 6: Final answer
    x = 23,711.78

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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.