Home / 33,315.30-49,971.13-11,126.36

Finding the Fourth Proportional to 33,315.30, 49,971.13 and 11,126.36

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Solution

The fourth proportional to 33,315.30, 49,971.13 and 11,126.36 is: 16,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.30 : 49,971.13 = 11,126.36 : x
  2. Step 2: Convert to fraction form
    33,315.30/49,971.13 = 11,126.36/x
  3. Step 3: Cross multiply
    33,315.30x = 49,971.13 × 11,126.36
  4. Step 4: Simplify right side
    33,315.30x = 555,996,879.10
  5. Step 5: Solve for x
    x = 555,996,879.10/33,315.30
  6. Step 6: Final answer
    x = 16,688.94

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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.