Home / 34,121.45-51,147.18-15,414.57

Finding the Fourth Proportional to 34,121.45, 51,147.18 and 15,414.57

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Solution

The fourth proportional to 34,121.45, 51,147.18 and 15,414.57 is: 23,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.45 : 51,147.18 = 15,414.57 : x
  2. Step 2: Convert to fraction form
    34,121.45/51,147.18 = 15,414.57/x
  3. Step 3: Cross multiply
    34,121.45x = 51,147.18 × 15,414.57
  4. Step 4: Simplify right side
    34,121.45x = 788,411,786.41
  5. Step 5: Solve for x
    x = 788,411,786.41/34,121.45
  6. Step 6: Final answer
    x = 23,106.04

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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.