Home / 33,139.84-49,692.60-9,763.20

Finding the Fourth Proportional to 33,139.84, 49,692.60 and 9,763.20

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Solution

The fourth proportional to 33,139.84, 49,692.60 and 9,763.20 is: 14,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.84 : 49,692.60 = 9,763.20 : x
  2. Step 2: Convert to fraction form
    33,139.84/49,692.60 = 9,763.20/x
  3. Step 3: Cross multiply
    33,139.84x = 49,692.60 × 9,763.20
  4. Step 4: Simplify right side
    33,139.84x = 485,158,792.32
  5. Step 5: Solve for x
    x = 485,158,792.32/33,139.84
  6. Step 6: Final answer
    x = 14,639.74

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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.