Home / 38,961.66-58,442.13-16,790.70

Finding the Fourth Proportional to 38,961.66, 58,442.13 and 16,790.70

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Solution

The fourth proportional to 38,961.66, 58,442.13 and 16,790.70 is: 25,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.66 : 58,442.13 = 16,790.70 : x
  2. Step 2: Convert to fraction form
    38,961.66/58,442.13 = 16,790.70/x
  3. Step 3: Cross multiply
    38,961.66x = 58,442.13 × 16,790.70
  4. Step 4: Simplify right side
    38,961.66x = 981,284,272.19
  5. Step 5: Solve for x
    x = 981,284,272.19/38,961.66
  6. Step 6: Final answer
    x = 25,185.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.