Home / 30,121.03-41,567.94-16,691.03

Finding the Fourth Proportional to 30,121.03, 41,567.94 and 16,691.03

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Solution

The fourth proportional to 30,121.03, 41,567.94 and 16,691.03 is: 23,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.03 : 41,567.94 = 16,691.03 : x
  2. Step 2: Convert to fraction form
    30,121.03/41,567.94 = 16,691.03/x
  3. Step 3: Cross multiply
    30,121.03x = 41,567.94 × 16,691.03
  4. Step 4: Simplify right side
    30,121.03x = 693,811,733.58
  5. Step 5: Solve for x
    x = 693,811,733.58/30,121.03
  6. Step 6: Final answer
    x = 23,034.13

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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.