Home / 38,829.08-58,243.68-11,811.66

Finding the Fourth Proportional to 38,829.08, 58,243.68 and 11,811.66

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Solution

The fourth proportional to 38,829.08, 58,243.68 and 11,811.66 is: 17,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.08 : 58,243.68 = 11,811.66 : x
  2. Step 2: Convert to fraction form
    38,829.08/58,243.68 = 11,811.66/x
  3. Step 3: Cross multiply
    38,829.08x = 58,243.68 × 11,811.66
  4. Step 4: Simplify right side
    38,829.08x = 687,954,545.31
  5. Step 5: Solve for x
    x = 687,954,545.31/38,829.08
  6. Step 6: Final answer
    x = 17,717.51

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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.