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Finding the Fourth Proportional to 54,618.32, 81,844.02 and 36,783.03

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Solution

The fourth proportional to 54,618.32, 81,844.02 and 36,783.03 is: 55,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.32 : 81,844.02 = 36,783.03 : x
  2. Step 2: Convert to fraction form
    54,618.32/81,844.02 = 36,783.03/x
  3. Step 3: Cross multiply
    54,618.32x = 81,844.02 × 36,783.03
  4. Step 4: Simplify right side
    54,618.32x = 3,010,471,247.59
  5. Step 5: Solve for x
    x = 3,010,471,247.59/54,618.32
  6. Step 6: Final answer
    x = 55,118.34

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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.