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Finding the Fourth Proportional to 54,108.92, 81,192.46 and 26,406.92

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Solution

The fourth proportional to 54,108.92, 81,192.46 and 26,406.92 is: 39,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.92 : 81,192.46 = 26,406.92 : x
  2. Step 2: Convert to fraction form
    54,108.92/81,192.46 = 26,406.92/x
  3. Step 3: Cross multiply
    54,108.92x = 81,192.46 × 26,406.92
  4. Step 4: Simplify right side
    54,108.92x = 2,144,042,795.82
  5. Step 5: Solve for x
    x = 2,144,042,795.82/54,108.92
  6. Step 6: Final answer
    x = 39,624.57

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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.