Home / 51,343.07-71,215.92-49,977.54

Finding the Fourth Proportional to 51,343.07, 71,215.92 and 49,977.54

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Solution

The fourth proportional to 51,343.07, 71,215.92 and 49,977.54 is: 69,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.07 : 71,215.92 = 49,977.54 : x
  2. Step 2: Convert to fraction form
    51,343.07/71,215.92 = 49,977.54/x
  3. Step 3: Cross multiply
    51,343.07x = 71,215.92 × 49,977.54
  4. Step 4: Simplify right side
    51,343.07x = 3,559,196,490.44
  5. Step 5: Solve for x
    x = 3,559,196,490.44/51,343.07
  6. Step 6: Final answer
    x = 69,321.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.