Home / 34,620.21-51,930.41-19,818.95

Finding the Fourth Proportional to 34,620.21, 51,930.41 and 19,818.95

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Solution

The fourth proportional to 34,620.21, 51,930.41 and 19,818.95 is: 29,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.21 : 51,930.41 = 19,818.95 : x
  2. Step 2: Convert to fraction form
    34,620.21/51,930.41 = 19,818.95/x
  3. Step 3: Cross multiply
    34,620.21x = 51,930.41 × 19,818.95
  4. Step 4: Simplify right side
    34,620.21x = 1,029,205,840.52
  5. Step 5: Solve for x
    x = 1,029,205,840.52/34,620.21
  6. Step 6: Final answer
    x = 29,728.47

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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.