Home / 36,737.45-55,121.77-20,078.02

Finding the Fourth Proportional to 36,737.45, 55,121.77 and 20,078.02

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Solution

The fourth proportional to 36,737.45, 55,121.77 and 20,078.02 is: 30,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,737.45 : 55,121.77 = 20,078.02 : x
  2. Step 2: Convert to fraction form
    36,737.45/55,121.77 = 20,078.02/x
  3. Step 3: Cross multiply
    36,737.45x = 55,121.77 × 20,078.02
  4. Step 4: Simplify right side
    36,737.45x = 1,106,735,918.42
  5. Step 5: Solve for x
    x = 1,106,735,918.42/36,737.45
  6. Step 6: Final answer
    x = 30,125.55

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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.