Home / 41,901.76-62,910.96-21,139.84

Finding the Fourth Proportional to 41,901.76, 62,910.96 and 21,139.84

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Solution

The fourth proportional to 41,901.76, 62,910.96 and 21,139.84 is: 31,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,901.76 : 62,910.96 = 21,139.84 : x
  2. Step 2: Convert to fraction form
    41,901.76/62,910.96 = 21,139.84/x
  3. Step 3: Cross multiply
    41,901.76x = 62,910.96 × 21,139.84
  4. Step 4: Simplify right side
    41,901.76x = 1,329,927,628.65
  5. Step 5: Solve for x
    x = 1,329,927,628.65/41,901.76
  6. Step 6: Final answer
    x = 31,739.18

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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.