Home / 51,290.07-76,945.07-19,697.81

Finding the Fourth Proportional to 51,290.07, 76,945.07 and 19,697.81

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Solution

The fourth proportional to 51,290.07, 76,945.07 and 19,697.81 is: 29,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.07 : 76,945.07 = 19,697.81 : x
  2. Step 2: Convert to fraction form
    51,290.07/76,945.07 = 19,697.81/x
  3. Step 3: Cross multiply
    51,290.07x = 76,945.07 × 19,697.81
  4. Step 4: Simplify right side
    51,290.07x = 1,515,649,369.30
  5. Step 5: Solve for x
    x = 1,515,649,369.30/51,290.07
  6. Step 6: Final answer
    x = 29,550.54

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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.