Home / 51,719.97-71,381.87-48,343.11

Finding the Fourth Proportional to 51,719.97, 71,381.87 and 48,343.11

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Solution

The fourth proportional to 51,719.97, 71,381.87 and 48,343.11 is: 66,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.97 : 71,381.87 = 48,343.11 : x
  2. Step 2: Convert to fraction form
    51,719.97/71,381.87 = 48,343.11/x
  3. Step 3: Cross multiply
    51,719.97x = 71,381.87 × 48,343.11
  4. Step 4: Simplify right side
    51,719.97x = 3,450,821,351.70
  5. Step 5: Solve for x
    x = 3,450,821,351.70/51,719.97
  6. Step 6: Final answer
    x = 66,721.26

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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.