Home / 30,298.86-41,811.49-16,869.82

Finding the Fourth Proportional to 30,298.86, 41,811.49 and 16,869.82

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Solution

The fourth proportional to 30,298.86, 41,811.49 and 16,869.82 is: 23,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.86 : 41,811.49 = 16,869.82 : x
  2. Step 2: Convert to fraction form
    30,298.86/41,811.49 = 16,869.82/x
  3. Step 3: Cross multiply
    30,298.86x = 41,811.49 × 16,869.82
  4. Step 4: Simplify right side
    30,298.86x = 705,352,305.19
  5. Step 5: Solve for x
    x = 705,352,305.19/30,298.86
  6. Step 6: Final answer
    x = 23,279.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.