Home / 54,558.30-81,837.45-19,499.10

Finding the Fourth Proportional to 54,558.30, 81,837.45 and 19,499.10

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Solution

The fourth proportional to 54,558.30, 81,837.45 and 19,499.10 is: 29,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.30 : 81,837.45 = 19,499.10 : x
  2. Step 2: Convert to fraction form
    54,558.30/81,837.45 = 19,499.10/x
  3. Step 3: Cross multiply
    54,558.30x = 81,837.45 × 19,499.10
  4. Step 4: Simplify right side
    54,558.30x = 1,595,756,621.30
  5. Step 5: Solve for x
    x = 1,595,756,621.30/54,558.30
  6. Step 6: Final answer
    x = 29,248.65

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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.