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Finding the Fourth Proportional to 41,859.22, 62,788.83 and 18,481

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Solution

The fourth proportional to 41,859.22, 62,788.83 and 18,481 is: 27,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,859.22 : 62,788.83 = 18,481 : x
  2. Step 2: Convert to fraction form
    41,859.22/62,788.83 = 18,481/x
  3. Step 3: Cross multiply
    41,859.22x = 62,788.83 × 18,481
  4. Step 4: Simplify right side
    41,859.22x = 1,160,400,367.23
  5. Step 5: Solve for x
    x = 1,160,400,367.23/41,859.22
  6. Step 6: Final answer
    x = 27,721.50

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1.5x scale

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.