Home / 54,518.70-75,236.52-30,643.98

Finding the Fourth Proportional to 54,518.70, 75,236.52 and 30,643.98

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Solution

The fourth proportional to 54,518.70, 75,236.52 and 30,643.98 is: 42,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.70 : 75,236.52 = 30,643.98 : x
  2. Step 2: Convert to fraction form
    54,518.70/75,236.52 = 30,643.98/x
  3. Step 3: Cross multiply
    54,518.70x = 75,236.52 × 30,643.98
  4. Step 4: Simplify right side
    54,518.70x = 2,305,546,414.15
  5. Step 5: Solve for x
    x = 2,305,546,414.15/54,518.70
  6. Step 6: Final answer
    x = 42,289.09

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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.