Home / 20,033.64-30,048.17-5,243.99

Finding the Fourth Proportional to 20,033.64, 30,048.17 and 5,243.99

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Solution

The fourth proportional to 20,033.64, 30,048.17 and 5,243.99 is: 7,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.64 : 30,048.17 = 5,243.99 : x
  2. Step 2: Convert to fraction form
    20,033.64/30,048.17 = 5,243.99/x
  3. Step 3: Cross multiply
    20,033.64x = 30,048.17 × 5,243.99
  4. Step 4: Simplify right side
    20,033.64x = 157,572,126.54
  5. Step 5: Solve for x
    x = 157,572,126.54/20,033.64
  6. Step 6: Final answer
    x = 7,865.38

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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.