Home / 30,270.49-41,768.79-16,841.90

Finding the Fourth Proportional to 30,270.49, 41,768.79 and 16,841.90

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Solution

The fourth proportional to 30,270.49, 41,768.79 and 16,841.90 is: 23,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.49 : 41,768.79 = 16,841.90 : x
  2. Step 2: Convert to fraction form
    30,270.49/41,768.79 = 16,841.90/x
  3. Step 3: Cross multiply
    30,270.49x = 41,768.79 × 16,841.90
  4. Step 4: Simplify right side
    30,270.49x = 703,465,784.30
  5. Step 5: Solve for x
    x = 703,465,784.30/30,270.49
  6. Step 6: Final answer
    x = 23,239.33

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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.