Home / 51,619.97-77,451.83-28,219.07

Finding the Fourth Proportional to 51,619.97, 77,451.83 and 28,219.07

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Solution

The fourth proportional to 51,619.97, 77,451.83 and 28,219.07 is: 42,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.97 : 77,451.83 = 28,219.07 : x
  2. Step 2: Convert to fraction form
    51,619.97/77,451.83 = 28,219.07/x
  3. Step 3: Cross multiply
    51,619.97x = 77,451.83 × 28,219.07
  4. Step 4: Simplify right side
    51,619.97x = 2,185,618,084.04
  5. Step 5: Solve for x
    x = 2,185,618,084.04/51,619.97
  6. Step 6: Final answer
    x = 42,340.56

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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.