Home / 33,186.31-45,795.53-18,078.90

Finding the Fourth Proportional to 33,186.31, 45,795.53 and 18,078.90

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Solution

The fourth proportional to 33,186.31, 45,795.53 and 18,078.90 is: 24,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.31 : 45,795.53 = 18,078.90 : x
  2. Step 2: Convert to fraction form
    33,186.31/45,795.53 = 18,078.90/x
  3. Step 3: Cross multiply
    33,186.31x = 45,795.53 × 18,078.90
  4. Step 4: Simplify right side
    33,186.31x = 827,932,579.09
  5. Step 5: Solve for x
    x = 827,932,579.09/33,186.31
  6. Step 6: Final answer
    x = 24,948.02

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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.