Home / 38,795.31-58,163.40-17,720.73

Finding the Fourth Proportional to 38,795.31, 58,163.40 and 17,720.73

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Solution

The fourth proportional to 38,795.31, 58,163.40 and 17,720.73 is: 26,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.31 : 58,163.40 = 17,720.73 : x
  2. Step 2: Convert to fraction form
    38,795.31/58,163.40 = 17,720.73/x
  3. Step 3: Cross multiply
    38,795.31x = 58,163.40 × 17,720.73
  4. Step 4: Simplify right side
    38,795.31x = 1,030,697,907.28
  5. Step 5: Solve for x
    x = 1,030,697,907.28/38,795.31
  6. Step 6: Final answer
    x = 26,567.59

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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.