Home / 34,205.20-51,269.40-17,558.80

Finding the Fourth Proportional to 34,205.20, 51,269.40 and 17,558.80

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Solution

The fourth proportional to 34,205.20, 51,269.40 and 17,558.80 is: 26,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.20 : 51,269.40 = 17,558.80 : x
  2. Step 2: Convert to fraction form
    34,205.20/51,269.40 = 17,558.80/x
  3. Step 3: Cross multiply
    34,205.20x = 51,269.40 × 17,558.80
  4. Step 4: Simplify right side
    34,205.20x = 900,229,140.72
  5. Step 5: Solve for x
    x = 900,229,140.72/34,205.20
  6. Step 6: Final answer
    x = 26,318.49

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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.