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Finding the Fourth Proportional to 54,510.57, 81,731.03 and 26,035.83

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Solution

The fourth proportional to 54,510.57, 81,731.03 and 26,035.83 is: 39,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.57 : 81,731.03 = 26,035.83 : x
  2. Step 2: Convert to fraction form
    54,510.57/81,731.03 = 26,035.83/x
  3. Step 3: Cross multiply
    54,510.57x = 81,731.03 × 26,035.83
  4. Step 4: Simplify right side
    54,510.57x = 2,127,935,072.63
  5. Step 5: Solve for x
    x = 2,127,935,072.63/54,510.57
  6. Step 6: Final answer
    x = 39,037.11

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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.