Home / 38,476.08-57,704.40-19,745.64

Finding the Fourth Proportional to 38,476.08, 57,704.40 and 19,745.64

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Solution

The fourth proportional to 38,476.08, 57,704.40 and 19,745.64 is: 29,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.08 : 57,704.40 = 19,745.64 : x
  2. Step 2: Convert to fraction form
    38,476.08/57,704.40 = 19,745.64/x
  3. Step 3: Cross multiply
    38,476.08x = 57,704.40 × 19,745.64
  4. Step 4: Simplify right side
    38,476.08x = 1,139,410,308.82
  5. Step 5: Solve for x
    x = 1,139,410,308.82/38,476.08
  6. Step 6: Final answer
    x = 29,613.47

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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.