Home / 51,354.48-76,982.51-21,731.57

Finding the Fourth Proportional to 51,354.48, 76,982.51 and 21,731.57

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Solution

The fourth proportional to 51,354.48, 76,982.51 and 21,731.57 is: 32,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.48 : 76,982.51 = 21,731.57 : x
  2. Step 2: Convert to fraction form
    51,354.48/76,982.51 = 21,731.57/x
  3. Step 3: Cross multiply
    51,354.48x = 76,982.51 × 21,731.57
  4. Step 4: Simplify right side
    51,354.48x = 1,672,950,419.93
  5. Step 5: Solve for x
    x = 1,672,950,419.93/51,354.48
  6. Step 6: Final answer
    x = 32,576.52

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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.