Home / 33,315.03-49,972.95-11,128.32

Finding the Fourth Proportional to 33,315.03, 49,972.95 and 11,128.32

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Solution

The fourth proportional to 33,315.03, 49,972.95 and 11,128.32 is: 16,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.03 : 49,972.95 = 11,128.32 : x
  2. Step 2: Convert to fraction form
    33,315.03/49,972.95 = 11,128.32/x
  3. Step 3: Cross multiply
    33,315.03x = 49,972.95 × 11,128.32
  4. Step 4: Simplify right side
    33,315.03x = 556,114,978.94
  5. Step 5: Solve for x
    x = 556,114,978.94/33,315.03
  6. Step 6: Final answer
    x = 16,692.62

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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.