Home / 57,790.49-86,694.35-17,806.13

Finding the Fourth Proportional to 57,790.49, 86,694.35 and 17,806.13

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Solution

The fourth proportional to 57,790.49, 86,694.35 and 17,806.13 is: 26,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,790.49 : 86,694.35 = 17,806.13 : x
  2. Step 2: Convert to fraction form
    57,790.49/86,694.35 = 17,806.13/x
  3. Step 3: Cross multiply
    57,790.49x = 86,694.35 × 17,806.13
  4. Step 4: Simplify right side
    57,790.49x = 1,543,690,687.85
  5. Step 5: Solve for x
    x = 1,543,690,687.85/57,790.49
  6. Step 6: Final answer
    x = 26,711.85

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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.