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Finding the Fourth Proportional to 54,805.92, 82,209.53 and 19,268.28

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Solution

The fourth proportional to 54,805.92, 82,209.53 and 19,268.28 is: 28,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.92 : 82,209.53 = 19,268.28 : x
  2. Step 2: Convert to fraction form
    54,805.92/82,209.53 = 19,268.28/x
  3. Step 3: Cross multiply
    54,805.92x = 82,209.53 × 19,268.28
  4. Step 4: Simplify right side
    54,805.92x = 1,584,036,146.37
  5. Step 5: Solve for x
    x = 1,584,036,146.37/54,805.92
  6. Step 6: Final answer
    x = 28,902.65

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1.5x scale

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.