Home / 51,065.31-76,605.14-17,780.54

Finding the Fourth Proportional to 51,065.31, 76,605.14 and 17,780.54

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Solution

The fourth proportional to 51,065.31, 76,605.14 and 17,780.54 is: 26,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.31 : 76,605.14 = 17,780.54 : x
  2. Step 2: Convert to fraction form
    51,065.31/76,605.14 = 17,780.54/x
  3. Step 3: Cross multiply
    51,065.31x = 76,605.14 × 17,780.54
  4. Step 4: Simplify right side
    51,065.31x = 1,362,080,632.85
  5. Step 5: Solve for x
    x = 1,362,080,632.85/51,065.31
  6. Step 6: Final answer
    x = 26,673.31

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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.