Home / 20,371.01-30,556.55-5,580.06

Finding the Fourth Proportional to 20,371.01, 30,556.55 and 5,580.06

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Solution

The fourth proportional to 20,371.01, 30,556.55 and 5,580.06 is: 8,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.01 : 30,556.55 = 5,580.06 : x
  2. Step 2: Convert to fraction form
    20,371.01/30,556.55 = 5,580.06/x
  3. Step 3: Cross multiply
    20,371.01x = 30,556.55 × 5,580.06
  4. Step 4: Simplify right side
    20,371.01x = 170,507,354.49
  5. Step 5: Solve for x
    x = 170,507,354.49/20,371.01
  6. Step 6: Final answer
    x = 8,370.10

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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.