Home / 51,821.87-77,749.14-39,401.33

Finding the Fourth Proportional to 51,821.87, 77,749.14 and 39,401.33

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Solution

The fourth proportional to 51,821.87, 77,749.14 and 39,401.33 is: 59,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.87 : 77,749.14 = 39,401.33 : x
  2. Step 2: Convert to fraction form
    51,821.87/77,749.14 = 39,401.33/x
  3. Step 3: Cross multiply
    51,821.87x = 77,749.14 × 39,401.33
  4. Step 4: Simplify right side
    51,821.87x = 3,063,419,522.36
  5. Step 5: Solve for x
    x = 3,063,419,522.36/51,821.87
  6. Step 6: Final answer
    x = 59,114.41

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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.