Home / 57,738.26-79,634.66-39,863.18

Finding the Fourth Proportional to 57,738.26, 79,634.66 and 39,863.18

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Solution

The fourth proportional to 57,738.26, 79,634.66 and 39,863.18 is: 54,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,738.26 : 79,634.66 = 39,863.18 : x
  2. Step 2: Convert to fraction form
    57,738.26/79,634.66 = 39,863.18/x
  3. Step 3: Cross multiply
    57,738.26x = 79,634.66 × 39,863.18
  4. Step 4: Simplify right side
    57,738.26x = 3,174,490,785.82
  5. Step 5: Solve for x
    x = 3,174,490,785.82/57,738.26
  6. Step 6: Final answer
    x = 54,980.71

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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.