Home / 30,843.04-42,563.60-16,696

Finding the Fourth Proportional to 30,843.04, 42,563.60 and 16,696

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Solution

The fourth proportional to 30,843.04, 42,563.60 and 16,696 is: 23,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.04 : 42,563.60 = 16,696 : x
  2. Step 2: Convert to fraction form
    30,843.04/42,563.60 = 16,696/x
  3. Step 3: Cross multiply
    30,843.04x = 42,563.60 × 16,696
  4. Step 4: Simplify right side
    30,843.04x = 710,641,865.60
  5. Step 5: Solve for x
    x = 710,641,865.60/30,843.04
  6. Step 6: Final answer
    x = 23,040.59

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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.