Home / 34,636.20-51,954.21-8,340.90

Finding the Fourth Proportional to 34,636.20, 51,954.21 and 8,340.90

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Solution

The fourth proportional to 34,636.20, 51,954.21 and 8,340.90 is: 12,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,636.20 : 51,954.21 = 8,340.90 : x
  2. Step 2: Convert to fraction form
    34,636.20/51,954.21 = 8,340.90/x
  3. Step 3: Cross multiply
    34,636.20x = 51,954.21 × 8,340.90
  4. Step 4: Simplify right side
    34,636.20x = 433,344,870.19
  5. Step 5: Solve for x
    x = 433,344,870.19/34,636.20
  6. Step 6: Final answer
    x = 12,511.33

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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.