Home / 30,121.80-41,568.42-16,693.26

Finding the Fourth Proportional to 30,121.80, 41,568.42 and 16,693.26

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Solution

The fourth proportional to 30,121.80, 41,568.42 and 16,693.26 is: 23,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.80 : 41,568.42 = 16,693.26 : x
  2. Step 2: Convert to fraction form
    30,121.80/41,568.42 = 16,693.26/x
  3. Step 3: Cross multiply
    30,121.80x = 41,568.42 × 16,693.26
  4. Step 4: Simplify right side
    30,121.80x = 693,912,442.85
  5. Step 5: Solve for x
    x = 693,912,442.85/30,121.80
  6. Step 6: Final answer
    x = 23,036.89

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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.