Home / 20,556.45-30,834.66-4,974.08

Finding the Fourth Proportional to 20,556.45, 30,834.66 and 4,974.08

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Solution

The fourth proportional to 20,556.45, 30,834.66 and 4,974.08 is: 7,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.45 : 30,834.66 = 4,974.08 : x
  2. Step 2: Convert to fraction form
    20,556.45/30,834.66 = 4,974.08/x
  3. Step 3: Cross multiply
    20,556.45x = 30,834.66 × 4,974.08
  4. Step 4: Simplify right side
    20,556.45x = 153,373,911.44
  5. Step 5: Solve for x
    x = 153,373,911.44/20,556.45
  6. Step 6: Final answer
    x = 7,461.11

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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.