Home / 36,868.37-55,307.61-11,900.12

Finding the Fourth Proportional to 36,868.37, 55,307.61 and 11,900.12

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Solution

The fourth proportional to 36,868.37, 55,307.61 and 11,900.12 is: 17,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.37 : 55,307.61 = 11,900.12 : x
  2. Step 2: Convert to fraction form
    36,868.37/55,307.61 = 11,900.12/x
  3. Step 3: Cross multiply
    36,868.37x = 55,307.61 × 11,900.12
  4. Step 4: Simplify right side
    36,868.37x = 658,166,919.38
  5. Step 5: Solve for x
    x = 658,166,919.38/36,868.37
  6. Step 6: Final answer
    x = 17,851.81

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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.