Home / 38,101.96-57,189.84-18,394.35

Finding the Fourth Proportional to 38,101.96, 57,189.84 and 18,394.35

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Solution

The fourth proportional to 38,101.96, 57,189.84 and 18,394.35 is: 27,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.96 : 57,189.84 = 18,394.35 : x
  2. Step 2: Convert to fraction form
    38,101.96/57,189.84 = 18,394.35/x
  3. Step 3: Cross multiply
    38,101.96x = 57,189.84 × 18,394.35
  4. Step 4: Simplify right side
    38,101.96x = 1,051,969,841.43
  5. Step 5: Solve for x
    x = 1,051,969,841.43/38,101.96
  6. Step 6: Final answer
    x = 27,609.34

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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.