Home / 30,007.20-44,997.84-12,465.03

Finding the Fourth Proportional to 30,007.20, 44,997.84 and 12,465.03

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Solution

The fourth proportional to 30,007.20, 44,997.84 and 12,465.03 is: 18,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.20 : 44,997.84 = 12,465.03 : x
  2. Step 2: Convert to fraction form
    30,007.20/44,997.84 = 12,465.03/x
  3. Step 3: Cross multiply
    30,007.20x = 44,997.84 × 12,465.03
  4. Step 4: Simplify right side
    30,007.20x = 560,899,425.54
  5. Step 5: Solve for x
    x = 560,899,425.54/30,007.20
  6. Step 6: Final answer
    x = 18,692.16

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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.