Home / 34,515.20-51,785.10-19,736.55

Finding the Fourth Proportional to 34,515.20, 51,785.10 and 19,736.55

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Solution

The fourth proportional to 34,515.20, 51,785.10 and 19,736.55 is: 29,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.20 : 51,785.10 = 19,736.55 : x
  2. Step 2: Convert to fraction form
    34,515.20/51,785.10 = 19,736.55/x
  3. Step 3: Cross multiply
    34,515.20x = 51,785.10 × 19,736.55
  4. Step 4: Simplify right side
    34,515.20x = 1,022,059,215.41
  5. Step 5: Solve for x
    x = 1,022,059,215.41/34,515.20
  6. Step 6: Final answer
    x = 29,611.86

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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.