Home / 30,327.36-41,850.84-16,897.78

Finding the Fourth Proportional to 30,327.36, 41,850.84 and 16,897.78

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Solution

The fourth proportional to 30,327.36, 41,850.84 and 16,897.78 is: 23,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.36 : 41,850.84 = 16,897.78 : x
  2. Step 2: Convert to fraction form
    30,327.36/41,850.84 = 16,897.78/x
  3. Step 3: Cross multiply
    30,327.36x = 41,850.84 × 16,897.78
  4. Step 4: Simplify right side
    30,327.36x = 707,186,287.14
  5. Step 5: Solve for x
    x = 707,186,287.14/30,327.36
  6. Step 6: Final answer
    x = 23,318.43

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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.