Home / 30,121.85-41,568.40-16,693.33

Finding the Fourth Proportional to 30,121.85, 41,568.40 and 16,693.33

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Solution

The fourth proportional to 30,121.85, 41,568.40 and 16,693.33 is: 23,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.85 : 41,568.40 = 16,693.33 : x
  2. Step 2: Convert to fraction form
    30,121.85/41,568.40 = 16,693.33/x
  3. Step 3: Cross multiply
    30,121.85x = 41,568.40 × 16,693.33
  4. Step 4: Simplify right side
    30,121.85x = 693,915,018.77
  5. Step 5: Solve for x
    x = 693,915,018.77/30,121.85
  6. Step 6: Final answer
    x = 23,036.93

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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.