Home / 38,633.76-57,976.61-13,673.70

Finding the Fourth Proportional to 38,633.76, 57,976.61 and 13,673.70

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Solution

The fourth proportional to 38,633.76, 57,976.61 and 13,673.70 is: 20,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.76 : 57,976.61 = 13,673.70 : x
  2. Step 2: Convert to fraction form
    38,633.76/57,976.61 = 13,673.70/x
  3. Step 3: Cross multiply
    38,633.76x = 57,976.61 × 13,673.70
  4. Step 4: Simplify right side
    38,633.76x = 792,754,703.79
  5. Step 5: Solve for x
    x = 792,754,703.79/38,633.76
  6. Step 6: Final answer
    x = 20,519.74

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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.