Home / 30,556.83-45,825.66-11,835.57

Finding the Fourth Proportional to 30,556.83, 45,825.66 and 11,835.57

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Solution

The fourth proportional to 30,556.83, 45,825.66 and 11,835.57 is: 17,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.83 : 45,825.66 = 11,835.57 : x
  2. Step 2: Convert to fraction form
    30,556.83/45,825.66 = 11,835.57/x
  3. Step 3: Cross multiply
    30,556.83x = 45,825.66 × 11,835.57
  4. Step 4: Simplify right side
    30,556.83x = 542,372,806.73
  5. Step 5: Solve for x
    x = 542,372,806.73/30,556.83
  6. Step 6: Final answer
    x = 17,749.64

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1.5x scale

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.