Home / 39,418.29-59,125.78-18,351.09

Finding the Fourth Proportional to 39,418.29, 59,125.78 and 18,351.09

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Solution

The fourth proportional to 39,418.29, 59,125.78 and 18,351.09 is: 27,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.29 : 59,125.78 = 18,351.09 : x
  2. Step 2: Convert to fraction form
    39,418.29/59,125.78 = 18,351.09/x
  3. Step 3: Cross multiply
    39,418.29x = 59,125.78 × 18,351.09
  4. Step 4: Simplify right side
    39,418.29x = 1,085,022,510.10
  5. Step 5: Solve for x
    x = 1,085,022,510.10/39,418.29
  6. Step 6: Final answer
    x = 27,525.86

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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.