Home / 38,433.80-57,631.26-11,771.84

Finding the Fourth Proportional to 38,433.80, 57,631.26 and 11,771.84

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Solution

The fourth proportional to 38,433.80, 57,631.26 and 11,771.84 is: 17,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.80 : 57,631.26 = 11,771.84 : x
  2. Step 2: Convert to fraction form
    38,433.80/57,631.26 = 11,771.84/x
  3. Step 3: Cross multiply
    38,433.80x = 57,631.26 × 11,771.84
  4. Step 4: Simplify right side
    38,433.80x = 678,425,971.72
  5. Step 5: Solve for x
    x = 678,425,971.72/38,433.80
  6. Step 6: Final answer
    x = 17,651.81

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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.