Home / 55,691.82-76,849.97-31,813.83

Finding the Fourth Proportional to 55,691.82, 76,849.97 and 31,813.83

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Solution

The fourth proportional to 55,691.82, 76,849.97 and 31,813.83 is: 43,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.82 : 76,849.97 = 31,813.83 : x
  2. Step 2: Convert to fraction form
    55,691.82/76,849.97 = 31,813.83/x
  3. Step 3: Cross multiply
    55,691.82x = 76,849.97 × 31,813.83
  4. Step 4: Simplify right side
    55,691.82x = 2,444,891,722.02
  5. Step 5: Solve for x
    x = 2,444,891,722.02/55,691.82
  6. Step 6: Final answer
    x = 43,900.37

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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.