Home / 54,464.13-81,654.75-28,152.09

Finding the Fourth Proportional to 54,464.13, 81,654.75 and 28,152.09

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Solution

The fourth proportional to 54,464.13, 81,654.75 and 28,152.09 is: 42,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464.13 : 81,654.75 = 28,152.09 : x
  2. Step 2: Convert to fraction form
    54,464.13/81,654.75 = 28,152.09/x
  3. Step 3: Cross multiply
    54,464.13x = 81,654.75 × 28,152.09
  4. Step 4: Simplify right side
    54,464.13x = 2,298,751,870.93
  5. Step 5: Solve for x
    x = 2,298,751,870.93/54,464.13
  6. Step 6: Final answer
    x = 42,206.71

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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.