Home / 38,498.34-57,749.58-12,205.14

Finding the Fourth Proportional to 38,498.34, 57,749.58 and 12,205.14

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Solution

The fourth proportional to 38,498.34, 57,749.58 and 12,205.14 is: 18,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.34 : 57,749.58 = 12,205.14 : x
  2. Step 2: Convert to fraction form
    38,498.34/57,749.58 = 12,205.14/x
  3. Step 3: Cross multiply
    38,498.34x = 57,749.58 × 12,205.14
  4. Step 4: Simplify right side
    38,498.34x = 704,841,708.84
  5. Step 5: Solve for x
    x = 704,841,708.84/38,498.34
  6. Step 6: Final answer
    x = 18,308.37

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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.