Home / 36,500.75-54,750.78-11,540.81

Finding the Fourth Proportional to 36,500.75, 54,750.78 and 11,540.81

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Solution

The fourth proportional to 36,500.75, 54,750.78 and 11,540.81 is: 17,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.75 : 54,750.78 = 11,540.81 : x
  2. Step 2: Convert to fraction form
    36,500.75/54,750.78 = 11,540.81/x
  3. Step 3: Cross multiply
    36,500.75x = 54,750.78 × 11,540.81
  4. Step 4: Simplify right side
    36,500.75x = 631,868,075.58
  5. Step 5: Solve for x
    x = 631,868,075.58/36,500.75
  6. Step 6: Final answer
    x = 17,311.10

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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.