Home / 51,425.46-71,003.90-40,107.60

Finding the Fourth Proportional to 51,425.46, 71,003.90 and 40,107.60

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Solution

The fourth proportional to 51,425.46, 71,003.90 and 40,107.60 is: 55,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.46 : 71,003.90 = 40,107.60 : x
  2. Step 2: Convert to fraction form
    51,425.46/71,003.90 = 40,107.60/x
  3. Step 3: Cross multiply
    51,425.46x = 71,003.90 × 40,107.60
  4. Step 4: Simplify right side
    51,425.46x = 2,847,796,019.64
  5. Step 5: Solve for x
    x = 2,847,796,019.64/51,425.46
  6. Step 6: Final answer
    x = 55,377.16

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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.