Home / 50,821.60-76,225.20-15,764.80

Finding the Fourth Proportional to 50,821.60, 76,225.20 and 15,764.80

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Solution

The fourth proportional to 50,821.60, 76,225.20 and 15,764.80 is: 23,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.60 : 76,225.20 = 15,764.80 : x
  2. Step 2: Convert to fraction form
    50,821.60/76,225.20 = 15,764.80/x
  3. Step 3: Cross multiply
    50,821.60x = 76,225.20 × 15,764.80
  4. Step 4: Simplify right side
    50,821.60x = 1,201,675,032.96
  5. Step 5: Solve for x
    x = 1,201,675,032.96/50,821.60
  6. Step 6: Final answer
    x = 23,644.97

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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.