Home / 54,495.64-81,741.18-18,965.10

Finding the Fourth Proportional to 54,495.64, 81,741.18 and 18,965.10

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Solution

The fourth proportional to 54,495.64, 81,741.18 and 18,965.10 is: 28,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.64 : 81,741.18 = 18,965.10 : x
  2. Step 2: Convert to fraction form
    54,495.64/81,741.18 = 18,965.10/x
  3. Step 3: Cross multiply
    54,495.64x = 81,741.18 × 18,965.10
  4. Step 4: Simplify right side
    54,495.64x = 1,550,229,652.82
  5. Step 5: Solve for x
    x = 1,550,229,652.82/54,495.64
  6. Step 6: Final answer
    x = 28,446.86

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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.