Home / 51,065.78-76,600.73-17,789.22

Finding the Fourth Proportional to 51,065.78, 76,600.73 and 17,789.22

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Solution

The fourth proportional to 51,065.78, 76,600.73 and 17,789.22 is: 26,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.78 : 76,600.73 = 17,789.22 : x
  2. Step 2: Convert to fraction form
    51,065.78/76,600.73 = 17,789.22/x
  3. Step 3: Cross multiply
    51,065.78x = 76,600.73 × 17,789.22
  4. Step 4: Simplify right side
    51,065.78x = 1,362,666,855.13
  5. Step 5: Solve for x
    x = 1,362,666,855.13/51,065.78
  6. Step 6: Final answer
    x = 26,684.54

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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.