Home / 51,675.72-77,496.66-20,083.56

Finding the Fourth Proportional to 51,675.72, 77,496.66 and 20,083.56

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Solution

The fourth proportional to 51,675.72, 77,496.66 and 20,083.56 is: 30,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.72 : 77,496.66 = 20,083.56 : x
  2. Step 2: Convert to fraction form
    51,675.72/77,496.66 = 20,083.56/x
  3. Step 3: Cross multiply
    51,675.72x = 77,496.66 × 20,083.56
  4. Step 4: Simplify right side
    51,675.72x = 1,556,408,820.91
  5. Step 5: Solve for x
    x = 1,556,408,820.91/51,675.72
  6. Step 6: Final answer
    x = 30,118.76

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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.