Home / 51,028.85-76,537.17-13,591.67

Finding the Fourth Proportional to 51,028.85, 76,537.17 and 13,591.67

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Solution

The fourth proportional to 51,028.85, 76,537.17 and 13,591.67 is: 20,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.85 : 76,537.17 = 13,591.67 : x
  2. Step 2: Convert to fraction form
    51,028.85/76,537.17 = 13,591.67/x
  3. Step 3: Cross multiply
    51,028.85x = 76,537.17 × 13,591.67
  4. Step 4: Simplify right side
    51,028.85x = 1,040,267,574.69
  5. Step 5: Solve for x
    x = 1,040,267,574.69/51,028.85
  6. Step 6: Final answer
    x = 20,385.87

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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.