Home / 55,579.03-76,691.91-31,704.28

Finding the Fourth Proportional to 55,579.03, 76,691.91 and 31,704.28

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Solution

The fourth proportional to 55,579.03, 76,691.91 and 31,704.28 is: 43,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.03 : 76,691.91 = 31,704.28 : x
  2. Step 2: Convert to fraction form
    55,579.03/76,691.91 = 31,704.28/x
  3. Step 3: Cross multiply
    55,579.03x = 76,691.91 × 31,704.28
  4. Step 4: Simplify right side
    55,579.03x = 2,431,461,715.54
  5. Step 5: Solve for x
    x = 2,431,461,715.54/55,579.03
  6. Step 6: Final answer
    x = 43,747.83

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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.