Home / 36,438.66-54,647.42-15,383.39

Finding the Fourth Proportional to 36,438.66, 54,647.42 and 15,383.39

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Solution

The fourth proportional to 36,438.66, 54,647.42 and 15,383.39 is: 23,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.66 : 54,647.42 = 15,383.39 : x
  2. Step 2: Convert to fraction form
    36,438.66/54,647.42 = 15,383.39/x
  3. Step 3: Cross multiply
    36,438.66x = 54,647.42 × 15,383.39
  4. Step 4: Simplify right side
    36,438.66x = 840,662,224.20
  5. Step 5: Solve for x
    x = 840,662,224.20/36,438.66
  6. Step 6: Final answer
    x = 23,070.61

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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.