Home / 76,051.85-114,084.38-19,891.71

Finding the Fourth Proportional to 76,051.85, 114,084.38 and 19,891.71

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Solution

The fourth proportional to 76,051.85, 114,084.38 and 19,891.71 is: 29,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,051.85 : 114,084.38 = 19,891.71 : x
  2. Step 2: Convert to fraction form
    76,051.85/114,084.38 = 19,891.71/x
  3. Step 3: Cross multiply
    76,051.85x = 114,084.38 × 19,891.71
  4. Step 4: Simplify right side
    76,051.85x = 2,269,333,452.22
  5. Step 5: Solve for x
    x = 2,269,333,452.22/76,051.85
  6. Step 6: Final answer
    x = 29,839.30

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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.