Home / 34,408.80-51,613.20-34,190.40

Finding the Fourth Proportional to 34,408.80, 51,613.20 and 34,190.40

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Solution

The fourth proportional to 34,408.80, 51,613.20 and 34,190.40 is: 51,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.80 : 51,613.20 = 34,190.40 : x
  2. Step 2: Convert to fraction form
    34,408.80/51,613.20 = 34,190.40/x
  3. Step 3: Cross multiply
    34,408.80x = 51,613.20 × 34,190.40
  4. Step 4: Simplify right side
    34,408.80x = 1,764,675,953.28
  5. Step 5: Solve for x
    x = 1,764,675,953.28/34,408.80
  6. Step 6: Final answer
    x = 51,285.60

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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.