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Finding the Fourth Proportional to 54,300.47, 81,339.84 and 27,949.86

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Solution

The fourth proportional to 54,300.47, 81,339.84 and 27,949.86 is: 41,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.47 : 81,339.84 = 27,949.86 : x
  2. Step 2: Convert to fraction form
    54,300.47/81,339.84 = 27,949.86/x
  3. Step 3: Cross multiply
    54,300.47x = 81,339.84 × 27,949.86
  4. Step 4: Simplify right side
    54,300.47x = 2,273,437,140.42
  5. Step 5: Solve for x
    x = 2,273,437,140.42/54,300.47
  6. Step 6: Final answer
    x = 41,867.73

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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.