Home / 38,115.79-57,226.04-19,408.39

Finding the Fourth Proportional to 38,115.79, 57,226.04 and 19,408.39

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Solution

The fourth proportional to 38,115.79, 57,226.04 and 19,408.39 is: 29,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.79 : 57,226.04 = 19,408.39 : x
  2. Step 2: Convert to fraction form
    38,115.79/57,226.04 = 19,408.39/x
  3. Step 3: Cross multiply
    38,115.79x = 57,226.04 × 19,408.39
  4. Step 4: Simplify right side
    38,115.79x = 1,110,665,302.48
  5. Step 5: Solve for x
    x = 1,110,665,302.48/38,115.79
  6. Step 6: Final answer
    x = 29,139.24

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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.