Home / 36,776.42-55,157.30-10,115.50

Finding the Fourth Proportional to 36,776.42, 55,157.30 and 10,115.50

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Solution

The fourth proportional to 36,776.42, 55,157.30 and 10,115.50 is: 15,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.42 : 55,157.30 = 10,115.50 : x
  2. Step 2: Convert to fraction form
    36,776.42/55,157.30 = 10,115.50/x
  3. Step 3: Cross multiply
    36,776.42x = 55,157.30 × 10,115.50
  4. Step 4: Simplify right side
    36,776.42x = 557,943,668.15
  5. Step 5: Solve for x
    x = 557,943,668.15/36,776.42
  6. Step 6: Final answer
    x = 15,171.23

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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.