Home / 38,508.12-57,763.80-18,804.06

Finding the Fourth Proportional to 38,508.12, 57,763.80 and 18,804.06

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Solution

The fourth proportional to 38,508.12, 57,763.80 and 18,804.06 is: 28,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.12 : 57,763.80 = 18,804.06 : x
  2. Step 2: Convert to fraction form
    38,508.12/57,763.80 = 18,804.06/x
  3. Step 3: Cross multiply
    38,508.12x = 57,763.80 × 18,804.06
  4. Step 4: Simplify right side
    38,508.12x = 1,086,193,961.03
  5. Step 5: Solve for x
    x = 1,086,193,961.03/38,508.12
  6. Step 6: Final answer
    x = 28,206.88

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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.