Home / 51,716.23-71,372.55-30,212.89

Finding the Fourth Proportional to 51,716.23, 71,372.55 and 30,212.89

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Solution

The fourth proportional to 51,716.23, 71,372.55 and 30,212.89 is: 41,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.23 : 71,372.55 = 30,212.89 : x
  2. Step 2: Convert to fraction form
    51,716.23/71,372.55 = 30,212.89/x
  3. Step 3: Cross multiply
    51,716.23x = 71,372.55 × 30,212.89
  4. Step 4: Simplify right side
    51,716.23x = 2,156,371,002.17
  5. Step 5: Solve for x
    x = 2,156,371,002.17/51,716.23
  6. Step 6: Final answer
    x = 41,696.21

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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.