Home / 51,161.00-76,741.56-19,974.38

Finding the Fourth Proportional to 51,161.00, 76,741.56 and 19,974.38

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Solution

The fourth proportional to 51,161.00, 76,741.56 and 19,974.38 is: 29,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.00 : 76,741.56 = 19,974.38 : x
  2. Step 2: Convert to fraction form
    51,161.00/76,741.56 = 19,974.38/x
  3. Step 3: Cross multiply
    51,161.00x = 76,741.56 × 19,974.38
  4. Step 4: Simplify right side
    51,161.00x = 1,532,864,697.53
  5. Step 5: Solve for x
    x = 1,532,864,697.53/51,161.00
  6. Step 6: Final answer
    x = 29,961.59

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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.