Home / 34,431.58-51,647.93-10,739.75

Finding the Fourth Proportional to 34,431.58, 51,647.93 and 10,739.75

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Solution

The fourth proportional to 34,431.58, 51,647.93 and 10,739.75 is: 16,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.58 : 51,647.93 = 10,739.75 : x
  2. Step 2: Convert to fraction form
    34,431.58/51,647.93 = 10,739.75/x
  3. Step 3: Cross multiply
    34,431.58x = 51,647.93 × 10,739.75
  4. Step 4: Simplify right side
    34,431.58x = 554,685,856.22
  5. Step 5: Solve for x
    x = 554,685,856.22/34,431.58
  6. Step 6: Final answer
    x = 16,109.80

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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.