Home / 50,921.40-76,382.10-34,008.60

Finding the Fourth Proportional to 50,921.40, 76,382.10 and 34,008.60

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Solution

The fourth proportional to 50,921.40, 76,382.10 and 34,008.60 is: 51,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.40 : 76,382.10 = 34,008.60 : x
  2. Step 2: Convert to fraction form
    50,921.40/76,382.10 = 34,008.60/x
  3. Step 3: Cross multiply
    50,921.40x = 76,382.10 × 34,008.60
  4. Step 4: Simplify right side
    50,921.40x = 2,597,648,286.06
  5. Step 5: Solve for x
    x = 2,597,648,286.06/50,921.40
  6. Step 6: Final answer
    x = 51,012.90

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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.