Home / 34,157.22-51,136.20-20,969.62

Finding the Fourth Proportional to 34,157.22, 51,136.20 and 20,969.62

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Solution

The fourth proportional to 34,157.22, 51,136.20 and 20,969.62 is: 31,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.22 : 51,136.20 = 20,969.62 : x
  2. Step 2: Convert to fraction form
    34,157.22/51,136.20 = 20,969.62/x
  3. Step 3: Cross multiply
    34,157.22x = 51,136.20 × 20,969.62
  4. Step 4: Simplify right side
    34,157.22x = 1,072,306,682.24
  5. Step 5: Solve for x
    x = 1,072,306,682.24/34,157.22
  6. Step 6: Final answer
    x = 31,393.27

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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.