Home / 33,158.56-49,743.60-9,786.40

Finding the Fourth Proportional to 33,158.56, 49,743.60 and 9,786.40

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Solution

The fourth proportional to 33,158.56, 49,743.60 and 9,786.40 is: 14,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.56 : 49,743.60 = 9,786.40 : x
  2. Step 2: Convert to fraction form
    33,158.56/49,743.60 = 9,786.40/x
  3. Step 3: Cross multiply
    33,158.56x = 49,743.60 × 9,786.40
  4. Step 4: Simplify right side
    33,158.56x = 486,810,767.04
  5. Step 5: Solve for x
    x = 486,810,767.04/33,158.56
  6. Step 6: Final answer
    x = 14,681.30

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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.