Home / 38,268.58-57,408.80-19,538.46

Finding the Fourth Proportional to 38,268.58, 57,408.80 and 19,538.46

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Solution

The fourth proportional to 38,268.58, 57,408.80 and 19,538.46 is: 29,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.58 : 57,408.80 = 19,538.46 : x
  2. Step 2: Convert to fraction form
    38,268.58/57,408.80 = 19,538.46/x
  3. Step 3: Cross multiply
    38,268.58x = 57,408.80 × 19,538.46
  4. Step 4: Simplify right side
    38,268.58x = 1,121,679,542.45
  5. Step 5: Solve for x
    x = 1,121,679,542.45/38,268.58
  6. Step 6: Final answer
    x = 29,310.72

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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.