Home / 40,174.08-60,241.92-12,456.96

Finding the Fourth Proportional to 40,174.08, 60,241.92 and 12,456.96

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Solution

The fourth proportional to 40,174.08, 60,241.92 and 12,456.96 is: 18,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.08 : 60,241.92 = 12,456.96 : x
  2. Step 2: Convert to fraction form
    40,174.08/60,241.92 = 12,456.96/x
  3. Step 3: Cross multiply
    40,174.08x = 60,241.92 × 12,456.96
  4. Step 4: Simplify right side
    40,174.08x = 750,431,187.76
  5. Step 5: Solve for x
    x = 750,431,187.76/40,174.08
  6. Step 6: Final answer
    x = 18,679.49

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1.5x scale

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.