Home / 51,387.97-77,080.32-23,287.45

Finding the Fourth Proportional to 51,387.97, 77,080.32 and 23,287.45

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Solution

The fourth proportional to 51,387.97, 77,080.32 and 23,287.45 is: 34,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,387.97 : 77,080.32 = 23,287.45 : x
  2. Step 2: Convert to fraction form
    51,387.97/77,080.32 = 23,287.45/x
  3. Step 3: Cross multiply
    51,387.97x = 77,080.32 × 23,287.45
  4. Step 4: Simplify right side
    51,387.97x = 1,795,004,097.98
  5. Step 5: Solve for x
    x = 1,795,004,097.98/51,387.97
  6. Step 6: Final answer
    x = 34,930.43

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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.