Home / 41,399.39-57,148.38-31,330.68

Finding the Fourth Proportional to 41,399.39, 57,148.38 and 31,330.68

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Solution

The fourth proportional to 41,399.39, 57,148.38 and 31,330.68 is: 43,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,399.39 : 57,148.38 = 31,330.68 : x
  2. Step 2: Convert to fraction form
    41,399.39/57,148.38 = 31,330.68/x
  3. Step 3: Cross multiply
    41,399.39x = 57,148.38 × 31,330.68
  4. Step 4: Simplify right side
    41,399.39x = 1,790,497,606.30
  5. Step 5: Solve for x
    x = 1,790,497,606.30/41,399.39
  6. Step 6: Final answer
    x = 43,249.38

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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.