Home / 38,130.46-57,203.34-13,171.42

Finding the Fourth Proportional to 38,130.46, 57,203.34 and 13,171.42

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Solution

The fourth proportional to 38,130.46, 57,203.34 and 13,171.42 is: 19,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.46 : 57,203.34 = 13,171.42 : x
  2. Step 2: Convert to fraction form
    38,130.46/57,203.34 = 13,171.42/x
  3. Step 3: Cross multiply
    38,130.46x = 57,203.34 × 13,171.42
  4. Step 4: Simplify right side
    38,130.46x = 753,449,216.54
  5. Step 5: Solve for x
    x = 753,449,216.54/38,130.46
  6. Step 6: Final answer
    x = 19,759.77

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