Home / 34,286.76-51,363.72-19,450.80

Finding the Fourth Proportional to 34,286.76, 51,363.72 and 19,450.80

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Solution

The fourth proportional to 34,286.76, 51,363.72 and 19,450.80 is: 29,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.76 : 51,363.72 = 19,450.80 : x
  2. Step 2: Convert to fraction form
    34,286.76/51,363.72 = 19,450.80/x
  3. Step 3: Cross multiply
    34,286.76x = 51,363.72 × 19,450.80
  4. Step 4: Simplify right side
    34,286.76x = 999,065,444.98
  5. Step 5: Solve for x
    x = 999,065,444.98/34,286.76
  6. Step 6: Final answer
    x = 29,138.52

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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.