Home / 51,190.49-76,767.37-19,609.43

Finding the Fourth Proportional to 51,190.49, 76,767.37 and 19,609.43

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Solution

The fourth proportional to 51,190.49, 76,767.37 and 19,609.43 is: 29,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.49 : 76,767.37 = 19,609.43 : x
  2. Step 2: Convert to fraction form
    51,190.49/76,767.37 = 19,609.43/x
  3. Step 3: Cross multiply
    51,190.49x = 76,767.37 × 19,609.43
  4. Step 4: Simplify right side
    51,190.49x = 1,505,364,368.30
  5. Step 5: Solve for x
    x = 1,505,364,368.30/51,190.49
  6. Step 6: Final answer
    x = 29,407.11

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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.