Home / 30,628.62-42,270.97-17,884.98

Finding the Fourth Proportional to 30,628.62, 42,270.97 and 17,884.98

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Solution

The fourth proportional to 30,628.62, 42,270.97 and 17,884.98 is: 24,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.62 : 42,270.97 = 17,884.98 : x
  2. Step 2: Convert to fraction form
    30,628.62/42,270.97 = 17,884.98/x
  3. Step 3: Cross multiply
    30,628.62x = 42,270.97 × 17,884.98
  4. Step 4: Simplify right side
    30,628.62x = 756,015,241.68
  5. Step 5: Solve for x
    x = 756,015,241.68/30,628.62
  6. Step 6: Final answer
    x = 24,683.30

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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.