Home / 54,236.58-81,378.81-18,703.29

Finding the Fourth Proportional to 54,236.58, 81,378.81 and 18,703.29

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Solution

The fourth proportional to 54,236.58, 81,378.81 and 18,703.29 is: 28,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.58 : 81,378.81 = 18,703.29 : x
  2. Step 2: Convert to fraction form
    54,236.58/81,378.81 = 18,703.29/x
  3. Step 3: Cross multiply
    54,236.58x = 81,378.81 × 18,703.29
  4. Step 4: Simplify right side
    54,236.58x = 1,522,051,483.28
  5. Step 5: Solve for x
    x = 1,522,051,483.28/54,236.58
  6. Step 6: Final answer
    x = 28,063.19

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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.