Home / 36,867.90-55,262.73-18,121.50

Finding the Fourth Proportional to 36,867.90, 55,262.73 and 18,121.50

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Solution

The fourth proportional to 36,867.90, 55,262.73 and 18,121.50 is: 27,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.90 : 55,262.73 = 18,121.50 : x
  2. Step 2: Convert to fraction form
    36,867.90/55,262.73 = 18,121.50/x
  3. Step 3: Cross multiply
    36,867.90x = 55,262.73 × 18,121.50
  4. Step 4: Simplify right side
    36,867.90x = 1,001,443,561.70
  5. Step 5: Solve for x
    x = 1,001,443,561.70/36,867.90
  6. Step 6: Final answer
    x = 27,163.02

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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.