Home / 51,491.75-71,059.70-29,135.75

Finding the Fourth Proportional to 51,491.75, 71,059.70 and 29,135.75

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Solution

The fourth proportional to 51,491.75, 71,059.70 and 29,135.75 is: 40,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.75 : 71,059.70 = 29,135.75 : x
  2. Step 2: Convert to fraction form
    51,491.75/71,059.70 = 29,135.75/x
  3. Step 3: Cross multiply
    51,491.75x = 71,059.70 × 29,135.75
  4. Step 4: Simplify right side
    51,491.75x = 2,070,377,654.28
  5. Step 5: Solve for x
    x = 2,070,377,654.28/51,491.75
  6. Step 6: Final answer
    x = 40,207.95

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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.