Home / 36,750.45-55,136.14-18,036.11

Finding the Fourth Proportional to 36,750.45, 55,136.14 and 18,036.11

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Solution

The fourth proportional to 36,750.45, 55,136.14 and 18,036.11 is: 27,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750.45 : 55,136.14 = 18,036.11 : x
  2. Step 2: Convert to fraction form
    36,750.45/55,136.14 = 18,036.11/x
  3. Step 3: Cross multiply
    36,750.45x = 55,136.14 × 18,036.11
  4. Step 4: Simplify right side
    36,750.45x = 994,441,486.02
  5. Step 5: Solve for x
    x = 994,441,486.02/36,750.45
  6. Step 6: Final answer
    x = 27,059.30

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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.