Home / 53,475.96-80,241.30-21,909

Finding the Fourth Proportional to 53,475.96, 80,241.30 and 21,909

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Solution

The fourth proportional to 53,475.96, 80,241.30 and 21,909 is: 32,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,475.96 : 80,241.30 = 21,909 : x
  2. Step 2: Convert to fraction form
    53,475.96/80,241.30 = 21,909/x
  3. Step 3: Cross multiply
    53,475.96x = 80,241.30 × 21,909
  4. Step 4: Simplify right side
    53,475.96x = 1,758,006,641.70
  5. Step 5: Solve for x
    x = 1,758,006,641.70/53,475.96
  6. Step 6: Final answer
    x = 32,874.71

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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.