Home / 55,789.76-77,004.48-34,556.96

Finding the Fourth Proportional to 55,789.76, 77,004.48 and 34,556.96

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Solution

The fourth proportional to 55,789.76, 77,004.48 and 34,556.96 is: 47,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789.76 : 77,004.48 = 34,556.96 : x
  2. Step 2: Convert to fraction form
    55,789.76/77,004.48 = 34,556.96/x
  3. Step 3: Cross multiply
    55,789.76x = 77,004.48 × 34,556.96
  4. Step 4: Simplify right side
    55,789.76x = 2,661,040,735.18
  5. Step 5: Solve for x
    x = 2,661,040,735.18/55,789.76
  6. Step 6: Final answer
    x = 47,697.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.