Home / 55,644.38-76,791.21-30,493.88

Finding the Fourth Proportional to 55,644.38, 76,791.21 and 30,493.88

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Solution

The fourth proportional to 55,644.38, 76,791.21 and 30,493.88 is: 42,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.38 : 76,791.21 = 30,493.88 : x
  2. Step 2: Convert to fraction form
    55,644.38/76,791.21 = 30,493.88/x
  3. Step 3: Cross multiply
    55,644.38x = 76,791.21 × 30,493.88
  4. Step 4: Simplify right side
    55,644.38x = 2,341,661,942.79
  5. Step 5: Solve for x
    x = 2,341,661,942.79/55,644.38
  6. Step 6: Final answer
    x = 42,082.63

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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.