Home / 24,529.20-36,750.60-20,122.80

Finding the Fourth Proportional to 24,529.20, 36,750.60 and 20,122.80

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Solution

The fourth proportional to 24,529.20, 36,750.60 and 20,122.80 is: 30,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,529.20 : 36,750.60 = 20,122.80 : x
  2. Step 2: Convert to fraction form
    24,529.20/36,750.60 = 20,122.80/x
  3. Step 3: Cross multiply
    24,529.20x = 36,750.60 × 20,122.80
  4. Step 4: Simplify right side
    24,529.20x = 739,524,973.68
  5. Step 5: Solve for x
    x = 739,524,973.68/24,529.20
  6. Step 6: Final answer
    x = 30,148.76

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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.