Home / 30,121.67-41,568.26-16,693.16

Finding the Fourth Proportional to 30,121.67, 41,568.26 and 16,693.16

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Solution

The fourth proportional to 30,121.67, 41,568.26 and 16,693.16 is: 23,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.67 : 41,568.26 = 16,693.16 : x
  2. Step 2: Convert to fraction form
    30,121.67/41,568.26 = 16,693.16/x
  3. Step 3: Cross multiply
    30,121.67x = 41,568.26 × 16,693.16
  4. Step 4: Simplify right side
    30,121.67x = 693,905,323.79
  5. Step 5: Solve for x
    x = 693,905,323.79/30,121.67
  6. Step 6: Final answer
    x = 23,036.75

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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.