Home / 43,321.77-64,984.97-13,741.89

Finding the Fourth Proportional to 43,321.77, 64,984.97 and 13,741.89

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Solution

The fourth proportional to 43,321.77, 64,984.97 and 13,741.89 is: 20,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.77 : 64,984.97 = 13,741.89 : x
  2. Step 2: Convert to fraction form
    43,321.77/64,984.97 = 13,741.89/x
  3. Step 3: Cross multiply
    43,321.77x = 64,984.97 × 13,741.89
  4. Step 4: Simplify right side
    43,321.77x = 893,016,240.68
  5. Step 5: Solve for x
    x = 893,016,240.68/43,321.77
  6. Step 6: Final answer
    x = 20,613.57

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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.