Home / 51,112.66-76,644.73-17,828.68

Finding the Fourth Proportional to 51,112.66, 76,644.73 and 17,828.68

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Solution

The fourth proportional to 51,112.66, 76,644.73 and 17,828.68 is: 26,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.66 : 76,644.73 = 17,828.68 : x
  2. Step 2: Convert to fraction form
    51,112.66/76,644.73 = 17,828.68/x
  3. Step 3: Cross multiply
    51,112.66x = 76,644.73 × 17,828.68
  4. Step 4: Simplify right side
    51,112.66x = 1,366,473,892.49
  5. Step 5: Solve for x
    x = 1,366,473,892.49/51,112.66
  6. Step 6: Final answer
    x = 26,734.55

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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.