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Finding the Fourth Proportional to 54,939, 82,404.36 and 17,497.56

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Solution

The fourth proportional to 54,939, 82,404.36 and 17,497.56 is: 26,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939 : 82,404.36 = 17,497.56 : x
  2. Step 2: Convert to fraction form
    54,939/82,404.36 = 17,497.56/x
  3. Step 3: Cross multiply
    54,939x = 82,404.36 × 17,497.56
  4. Step 4: Simplify right side
    54,939x = 1,441,875,233.36
  5. Step 5: Solve for x
    x = 1,441,875,233.36/54,939
  6. Step 6: Final answer
    x = 26,245.02

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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.