Home / 30,121.69-41,568.25-16,693.11

Finding the Fourth Proportional to 30,121.69, 41,568.25 and 16,693.11

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Solution

The fourth proportional to 30,121.69, 41,568.25 and 16,693.11 is: 23,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.69 : 41,568.25 = 16,693.11 : x
  2. Step 2: Convert to fraction form
    30,121.69/41,568.25 = 16,693.11/x
  3. Step 3: Cross multiply
    30,121.69x = 41,568.25 × 16,693.11
  4. Step 4: Simplify right side
    30,121.69x = 693,903,369.76
  5. Step 5: Solve for x
    x = 693,903,369.76/30,121.69
  6. Step 6: Final answer
    x = 23,036.67

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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.