Home / 37,078.75-51,168.68-20,311.75

Finding the Fourth Proportional to 37,078.75, 51,168.68 and 20,311.75

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Solution

The fourth proportional to 37,078.75, 51,168.68 and 20,311.75 is: 28,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.75 : 51,168.68 = 20,311.75 : x
  2. Step 2: Convert to fraction form
    37,078.75/51,168.68 = 20,311.75/x
  3. Step 3: Cross multiply
    37,078.75x = 51,168.68 × 20,311.75
  4. Step 4: Simplify right side
    37,078.75x = 1,039,325,435.99
  5. Step 5: Solve for x
    x = 1,039,325,435.99/37,078.75
  6. Step 6: Final answer
    x = 28,030.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.