Home / 69,890.20-104,834.10-17,299.72

Finding the Fourth Proportional to 69,890.20, 104,834.10 and 17,299.72

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Solution

The fourth proportional to 69,890.20, 104,834.10 and 17,299.72 is: 25,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,890.20 : 104,834.10 = 17,299.72 : x
  2. Step 2: Convert to fraction form
    69,890.20/104,834.10 = 17,299.72/x
  3. Step 3: Cross multiply
    69,890.20x = 104,834.10 × 17,299.72
  4. Step 4: Simplify right side
    69,890.20x = 1,813,600,576.45
  5. Step 5: Solve for x
    x = 1,813,600,576.45/69,890.20
  6. Step 6: Final answer
    x = 25,949.28

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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.