Home / 57,379.35-79,181.92-31,885.06

Finding the Fourth Proportional to 57,379.35, 79,181.92 and 31,885.06

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Solution

The fourth proportional to 57,379.35, 79,181.92 and 31,885.06 is: 44,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.35 : 79,181.92 = 31,885.06 : x
  2. Step 2: Convert to fraction form
    57,379.35/79,181.92 = 31,885.06/x
  3. Step 3: Cross multiply
    57,379.35x = 79,181.92 × 31,885.06
  4. Step 4: Simplify right side
    57,379.35x = 2,524,719,992.45
  5. Step 5: Solve for x
    x = 2,524,719,992.45/57,379.35
  6. Step 6: Final answer
    x = 44,000.50

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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.