Home / 51,161.82-76,763.52-40,741.98

Finding the Fourth Proportional to 51,161.82, 76,763.52 and 40,741.98

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Solution

The fourth proportional to 51,161.82, 76,763.52 and 40,741.98 is: 61,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.82 : 76,763.52 = 40,741.98 : x
  2. Step 2: Convert to fraction form
    51,161.82/76,763.52 = 40,741.98/x
  3. Step 3: Cross multiply
    51,161.82x = 76,763.52 × 40,741.98
  4. Step 4: Simplify right side
    51,161.82x = 3,127,497,796.57
  5. Step 5: Solve for x
    x = 3,127,497,796.57/51,161.82
  6. Step 6: Final answer
    x = 61,129.53

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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.