Home / 34,414.31-51,636.05-18,813.71

Finding the Fourth Proportional to 34,414.31, 51,636.05 and 18,813.71

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Solution

The fourth proportional to 34,414.31, 51,636.05 and 18,813.71 is: 28,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,414.31 : 51,636.05 = 18,813.71 : x
  2. Step 2: Convert to fraction form
    34,414.31/51,636.05 = 18,813.71/x
  3. Step 3: Cross multiply
    34,414.31x = 51,636.05 × 18,813.71
  4. Step 4: Simplify right side
    34,414.31x = 971,465,670.25
  5. Step 5: Solve for x
    x = 971,465,670.25/34,414.31
  6. Step 6: Final answer
    x = 28,228.54

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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.