Home / 20,839.30-31,260.57-6,048.43

Finding the Fourth Proportional to 20,839.30, 31,260.57 and 6,048.43

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Solution

The fourth proportional to 20,839.30, 31,260.57 and 6,048.43 is: 9,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.30 : 31,260.57 = 6,048.43 : x
  2. Step 2: Convert to fraction form
    20,839.30/31,260.57 = 6,048.43/x
  3. Step 3: Cross multiply
    20,839.30x = 31,260.57 × 6,048.43
  4. Step 4: Simplify right side
    20,839.30x = 189,077,369.41
  5. Step 5: Solve for x
    x = 189,077,369.41/20,839.30
  6. Step 6: Final answer
    x = 9,073.12

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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.