Home / 36,065.72-49,769.78-20,150.28

Finding the Fourth Proportional to 36,065.72, 49,769.78 and 20,150.28

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Solution

The fourth proportional to 36,065.72, 49,769.78 and 20,150.28 is: 27,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,065.72 : 49,769.78 = 20,150.28 : x
  2. Step 2: Convert to fraction form
    36,065.72/49,769.78 = 20,150.28/x
  3. Step 3: Cross multiply
    36,065.72x = 49,769.78 × 20,150.28
  4. Step 4: Simplify right side
    36,065.72x = 1,002,874,901.79
  5. Step 5: Solve for x
    x = 1,002,874,901.79/36,065.72
  6. Step 6: Final answer
    x = 27,806.88

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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.