Home / 20,029.62-30,048.66-7,549.38

Finding the Fourth Proportional to 20,029.62, 30,048.66 and 7,549.38

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Solution

The fourth proportional to 20,029.62, 30,048.66 and 7,549.38 is: 11,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.62 : 30,048.66 = 7,549.38 : x
  2. Step 2: Convert to fraction form
    20,029.62/30,048.66 = 7,549.38/x
  3. Step 3: Cross multiply
    20,029.62x = 30,048.66 × 7,549.38
  4. Step 4: Simplify right side
    20,029.62x = 226,848,752.83
  5. Step 5: Solve for x
    x = 226,848,752.83/20,029.62
  6. Step 6: Final answer
    x = 11,325.66

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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.