Home / 29,723.86-40,992.72-18,391.54

Finding the Fourth Proportional to 29,723.86, 40,992.72 and 18,391.54

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Solution

The fourth proportional to 29,723.86, 40,992.72 and 18,391.54 is: 25,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,723.86 : 40,992.72 = 18,391.54 : x
  2. Step 2: Convert to fraction form
    29,723.86/40,992.72 = 18,391.54/x
  3. Step 3: Cross multiply
    29,723.86x = 40,992.72 × 18,391.54
  4. Step 4: Simplify right side
    29,723.86x = 753,919,249.59
  5. Step 5: Solve for x
    x = 753,919,249.59/29,723.86
  6. Step 6: Final answer
    x = 25,364.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.