Home / 41,640.80-62,461.20-12,059.60

Finding the Fourth Proportional to 41,640.80, 62,461.20 and 12,059.60

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Solution

The fourth proportional to 41,640.80, 62,461.20 and 12,059.60 is: 18,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640.80 : 62,461.20 = 12,059.60 : x
  2. Step 2: Convert to fraction form
    41,640.80/62,461.20 = 12,059.60/x
  3. Step 3: Cross multiply
    41,640.80x = 62,461.20 × 12,059.60
  4. Step 4: Simplify right side
    41,640.80x = 753,257,087.52
  5. Step 5: Solve for x
    x = 753,257,087.52/41,640.80
  6. Step 6: Final answer
    x = 18,089.40

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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.