Home / 51,555.44-71,145.32-30,043.82

Finding the Fourth Proportional to 51,555.44, 71,145.32 and 30,043.82

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Solution

The fourth proportional to 51,555.44, 71,145.32 and 30,043.82 is: 41,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,555.44 : 71,145.32 = 30,043.82 : x
  2. Step 2: Convert to fraction form
    51,555.44/71,145.32 = 30,043.82/x
  3. Step 3: Cross multiply
    51,555.44x = 71,145.32 × 30,043.82
  4. Step 4: Simplify right side
    51,555.44x = 2,137,477,187.92
  5. Step 5: Solve for x
    x = 2,137,477,187.92/51,555.44
  6. Step 6: Final answer
    x = 41,459.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.