Home / 53,171.44-79,757.46-13,725.86

Finding the Fourth Proportional to 53,171.44, 79,757.46 and 13,725.86

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Solution

The fourth proportional to 53,171.44, 79,757.46 and 13,725.86 is: 20,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.44 : 79,757.46 = 13,725.86 : x
  2. Step 2: Convert to fraction form
    53,171.44/79,757.46 = 13,725.86/x
  3. Step 3: Cross multiply
    53,171.44x = 79,757.46 × 13,725.86
  4. Step 4: Simplify right side
    53,171.44x = 1,094,739,331.13
  5. Step 5: Solve for x
    x = 1,094,739,331.13/53,171.44
  6. Step 6: Final answer
    x = 20,588.86

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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.