Home / 38,453.06-57,659-19,725.44

Finding the Fourth Proportional to 38,453.06, 57,659 and 19,725.44

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Solution

The fourth proportional to 38,453.06, 57,659 and 19,725.44 is: 29,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.06 : 57,659 = 19,725.44 : x
  2. Step 2: Convert to fraction form
    38,453.06/57,659 = 19,725.44/x
  3. Step 3: Cross multiply
    38,453.06x = 57,659 × 19,725.44
  4. Step 4: Simplify right side
    38,453.06x = 1,137,349,144.96
  5. Step 5: Solve for x
    x = 1,137,349,144.96/38,453.06
  6. Step 6: Final answer
    x = 29,577.60

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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.