Home / 55,186.18-82,791.61-20,125.84

Finding the Fourth Proportional to 55,186.18, 82,791.61 and 20,125.84

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Solution

The fourth proportional to 55,186.18, 82,791.61 and 20,125.84 is: 30,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.18 : 82,791.61 = 20,125.84 : x
  2. Step 2: Convert to fraction form
    55,186.18/82,791.61 = 20,125.84/x
  3. Step 3: Cross multiply
    55,186.18x = 82,791.61 × 20,125.84
  4. Step 4: Simplify right side
    55,186.18x = 1,666,250,231.93
  5. Step 5: Solve for x
    x = 1,666,250,231.93/55,186.18
  6. Step 6: Final answer
    x = 30,193.25

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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.