Home / 38,081.49-57,087.90-18,078.63

Finding the Fourth Proportional to 38,081.49, 57,087.90 and 18,078.63

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Solution

The fourth proportional to 38,081.49, 57,087.90 and 18,078.63 is: 27,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.49 : 57,087.90 = 18,078.63 : x
  2. Step 2: Convert to fraction form
    38,081.49/57,087.90 = 18,078.63/x
  3. Step 3: Cross multiply
    38,081.49x = 57,087.90 × 18,078.63
  4. Step 4: Simplify right side
    38,081.49x = 1,032,071,021.58
  5. Step 5: Solve for x
    x = 1,032,071,021.58/38,081.49
  6. Step 6: Final answer
    x = 27,101.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.