Home / 40,761.37-61,144.66-14,109.92

Finding the Fourth Proportional to 40,761.37, 61,144.66 and 14,109.92

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Solution

The fourth proportional to 40,761.37, 61,144.66 and 14,109.92 is: 21,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.37 : 61,144.66 = 14,109.92 : x
  2. Step 2: Convert to fraction form
    40,761.37/61,144.66 = 14,109.92/x
  3. Step 3: Cross multiply
    40,761.37x = 61,144.66 × 14,109.92
  4. Step 4: Simplify right side
    40,761.37x = 862,746,431.53
  5. Step 5: Solve for x
    x = 862,746,431.53/40,761.37
  6. Step 6: Final answer
    x = 21,165.79

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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.