Home / 51,256.07-76,889.57-21,676.89

Finding the Fourth Proportional to 51,256.07, 76,889.57 and 21,676.89

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Solution

The fourth proportional to 51,256.07, 76,889.57 and 21,676.89 is: 32,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256.07 : 76,889.57 = 21,676.89 : x
  2. Step 2: Convert to fraction form
    51,256.07/76,889.57 = 21,676.89/x
  3. Step 3: Cross multiply
    51,256.07x = 76,889.57 × 21,676.89
  4. Step 4: Simplify right side
    51,256.07x = 1,666,726,642.65
  5. Step 5: Solve for x
    x = 1,666,726,642.65/51,256.07
  6. Step 6: Final answer
    x = 32,517.65

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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.