Home / 40,761.87-61,145.41-14,110.43

Finding the Fourth Proportional to 40,761.87, 61,145.41 and 14,110.43

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Solution

The fourth proportional to 40,761.87, 61,145.41 and 14,110.43 is: 21,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.87 : 61,145.41 = 14,110.43 : x
  2. Step 2: Convert to fraction form
    40,761.87/61,145.41 = 14,110.43/x
  3. Step 3: Cross multiply
    40,761.87x = 61,145.41 × 14,110.43
  4. Step 4: Simplify right side
    40,761.87x = 862,787,721.90
  5. Step 5: Solve for x
    x = 862,787,721.90/40,761.87
  6. Step 6: Final answer
    x = 21,166.54

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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.