Home / 36,556.63-54,710.19-30,640.20

Finding the Fourth Proportional to 36,556.63, 54,710.19 and 30,640.20

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Solution

The fourth proportional to 36,556.63, 54,710.19 and 30,640.20 is: 45,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.63 : 54,710.19 = 30,640.20 : x
  2. Step 2: Convert to fraction form
    36,556.63/54,710.19 = 30,640.20/x
  3. Step 3: Cross multiply
    36,556.63x = 54,710.19 × 30,640.20
  4. Step 4: Simplify right side
    36,556.63x = 1,676,330,958.47
  5. Step 5: Solve for x
    x = 1,676,330,958.47/36,556.63
  6. Step 6: Final answer
    x = 45,855.73

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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.