Home / 67,914.09-101,876.76-21,166.97

Finding the Fourth Proportional to 67,914.09, 101,876.76 and 21,166.97

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Solution

The fourth proportional to 67,914.09, 101,876.76 and 21,166.97 is: 31,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,914.09 : 101,876.76 = 21,166.97 : x
  2. Step 2: Convert to fraction form
    67,914.09/101,876.76 = 21,166.97/x
  3. Step 3: Cross multiply
    67,914.09x = 101,876.76 × 21,166.97
  4. Step 4: Simplify right side
    67,914.09x = 2,156,421,813.23
  5. Step 5: Solve for x
    x = 2,156,421,813.23/67,914.09
  6. Step 6: Final answer
    x = 31,752.20

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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.