Home / 50,276.80-75,415.20-32,780.80

Finding the Fourth Proportional to 50,276.80, 75,415.20 and 32,780.80

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Solution

The fourth proportional to 50,276.80, 75,415.20 and 32,780.80 is: 49,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,276.80 : 75,415.20 = 32,780.80 : x
  2. Step 2: Convert to fraction form
    50,276.80/75,415.20 = 32,780.80/x
  3. Step 3: Cross multiply
    50,276.80x = 75,415.20 × 32,780.80
  4. Step 4: Simplify right side
    50,276.80x = 2,472,170,588.16
  5. Step 5: Solve for x
    x = 2,472,170,588.16/50,276.80
  6. Step 6: Final answer
    x = 49,171.20

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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.