Home / 36,783.75-55,176.45-9,081.75

Finding the Fourth Proportional to 36,783.75, 55,176.45 and 9,081.75

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Solution

The fourth proportional to 36,783.75, 55,176.45 and 9,081.75 is: 13,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.75 : 55,176.45 = 9,081.75 : x
  2. Step 2: Convert to fraction form
    36,783.75/55,176.45 = 9,081.75/x
  3. Step 3: Cross multiply
    36,783.75x = 55,176.45 × 9,081.75
  4. Step 4: Simplify right side
    36,783.75x = 501,098,724.79
  5. Step 5: Solve for x
    x = 501,098,724.79/36,783.75
  6. Step 6: Final answer
    x = 13,622.83

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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.