Home / 41,212.80-61,819.20-22,485.60

Finding the Fourth Proportional to 41,212.80, 61,819.20 and 22,485.60

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Solution

The fourth proportional to 41,212.80, 61,819.20 and 22,485.60 is: 33,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.80 : 61,819.20 = 22,485.60 : x
  2. Step 2: Convert to fraction form
    41,212.80/61,819.20 = 22,485.60/x
  3. Step 3: Cross multiply
    41,212.80x = 61,819.20 × 22,485.60
  4. Step 4: Simplify right side
    41,212.80x = 1,390,041,803.52
  5. Step 5: Solve for x
    x = 1,390,041,803.52/41,212.80
  6. Step 6: Final answer
    x = 33,728.40

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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.