Home / 51,717.24-77,576.22-18,438.66

Finding the Fourth Proportional to 51,717.24, 77,576.22 and 18,438.66

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Solution

The fourth proportional to 51,717.24, 77,576.22 and 18,438.66 is: 27,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,717.24 : 77,576.22 = 18,438.66 : x
  2. Step 2: Convert to fraction form
    51,717.24/77,576.22 = 18,438.66/x
  3. Step 3: Cross multiply
    51,717.24x = 77,576.22 × 18,438.66
  4. Step 4: Simplify right side
    51,717.24x = 1,430,401,544.67
  5. Step 5: Solve for x
    x = 1,430,401,544.67/51,717.24
  6. Step 6: Final answer
    x = 27,658.12

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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.