Home / 33,087.60-49,638.20-10,902.28

Finding the Fourth Proportional to 33,087.60, 49,638.20 and 10,902.28

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Solution

The fourth proportional to 33,087.60, 49,638.20 and 10,902.28 is: 16,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.60 : 49,638.20 = 10,902.28 : x
  2. Step 2: Convert to fraction form
    33,087.60/49,638.20 = 10,902.28/x
  3. Step 3: Cross multiply
    33,087.60x = 49,638.20 × 10,902.28
  4. Step 4: Simplify right side
    33,087.60x = 541,169,555.10
  5. Step 5: Solve for x
    x = 541,169,555.10/33,087.60
  6. Step 6: Final answer
    x = 16,355.66

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1.5x scale

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.