Home / 51,134.19-70,546.46-30,976.53

Finding the Fourth Proportional to 51,134.19, 70,546.46 and 30,976.53

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Solution

The fourth proportional to 51,134.19, 70,546.46 and 30,976.53 is: 42,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.19 : 70,546.46 = 30,976.53 : x
  2. Step 2: Convert to fraction form
    51,134.19/70,546.46 = 30,976.53/x
  3. Step 3: Cross multiply
    51,134.19x = 70,546.46 × 30,976.53
  4. Step 4: Simplify right side
    51,134.19x = 2,185,284,379.70
  5. Step 5: Solve for x
    x = 2,185,284,379.70/51,134.19
  6. Step 6: Final answer
    x = 42,736.27

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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.