Home / 55,176.01-82,776.26-20,115.56

Finding the Fourth Proportional to 55,176.01, 82,776.26 and 20,115.56

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Solution

The fourth proportional to 55,176.01, 82,776.26 and 20,115.56 is: 30,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.01 : 82,776.26 = 20,115.56 : x
  2. Step 2: Convert to fraction form
    55,176.01/82,776.26 = 20,115.56/x
  3. Step 3: Cross multiply
    55,176.01x = 82,776.26 × 20,115.56
  4. Step 4: Simplify right side
    55,176.01x = 1,665,091,081.84
  5. Step 5: Solve for x
    x = 1,665,091,081.84/55,176.01
  6. Step 6: Final answer
    x = 30,177.81

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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.