Home / 51,311.97-70,850.57-39,356.37

Finding the Fourth Proportional to 51,311.97, 70,850.57 and 39,356.37

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Solution

The fourth proportional to 51,311.97, 70,850.57 and 39,356.37 is: 54,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.97 : 70,850.57 = 39,356.37 : x
  2. Step 2: Convert to fraction form
    51,311.97/70,850.57 = 39,356.37/x
  3. Step 3: Cross multiply
    51,311.97x = 70,850.57 × 39,356.37
  4. Step 4: Simplify right side
    51,311.97x = 2,788,421,050.85
  5. Step 5: Solve for x
    x = 2,788,421,050.85/51,311.97
  6. Step 6: Final answer
    x = 54,342.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.