Home / 39,703-54,836.22-26,431.96

Finding the Fourth Proportional to 39,703, 54,836.22 and 26,431.96

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Solution

The fourth proportional to 39,703, 54,836.22 and 26,431.96 is: 36,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703 : 54,836.22 = 26,431.96 : x
  2. Step 2: Convert to fraction form
    39,703/54,836.22 = 26,431.96/x
  3. Step 3: Cross multiply
    39,703x = 54,836.22 × 26,431.96
  4. Step 4: Simplify right side
    39,703x = 1,449,428,773.59
  5. Step 5: Solve for x
    x = 1,449,428,773.59/39,703
  6. Step 6: Final answer
    x = 36,506.78

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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.