Home / 51,134.57-70,546.97-30,976.91

Finding the Fourth Proportional to 51,134.57, 70,546.97 and 30,976.91

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Solution

The fourth proportional to 51,134.57, 70,546.97 and 30,976.91 is: 42,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.57 : 70,546.97 = 30,976.91 : x
  2. Step 2: Convert to fraction form
    51,134.57/70,546.97 = 30,976.91/x
  3. Step 3: Cross multiply
    51,134.57x = 70,546.97 × 30,976.91
  4. Step 4: Simplify right side
    51,134.57x = 2,185,326,865.17
  5. Step 5: Solve for x
    x = 2,185,326,865.17/51,134.57
  6. Step 6: Final answer
    x = 42,736.78

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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.