Home / 51,260.45-76,891.23-17,981.33

Finding the Fourth Proportional to 51,260.45, 76,891.23 and 17,981.33

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Solution

The fourth proportional to 51,260.45, 76,891.23 and 17,981.33 is: 26,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.45 : 76,891.23 = 17,981.33 : x
  2. Step 2: Convert to fraction form
    51,260.45/76,891.23 = 17,981.33/x
  3. Step 3: Cross multiply
    51,260.45x = 76,891.23 × 17,981.33
  4. Step 4: Simplify right side
    51,260.45x = 1,382,606,196.28
  5. Step 5: Solve for x
    x = 1,382,606,196.28/51,260.45
  6. Step 6: Final answer
    x = 26,972.18

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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.