Home / 34,242.20-51,362.22-20,297.78

Finding the Fourth Proportional to 34,242.20, 51,362.22 and 20,297.78

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Solution

The fourth proportional to 34,242.20, 51,362.22 and 20,297.78 is: 30,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,242.20 : 51,362.22 = 20,297.78 : x
  2. Step 2: Convert to fraction form
    34,242.20/51,362.22 = 20,297.78/x
  3. Step 3: Cross multiply
    34,242.20x = 51,362.22 × 20,297.78
  4. Step 4: Simplify right side
    34,242.20x = 1,042,539,041.87
  5. Step 5: Solve for x
    x = 1,042,539,041.87/34,242.20
  6. Step 6: Final answer
    x = 30,446.03

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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.