Home / 40,380.96-60,583.85-20,673.35

Finding the Fourth Proportional to 40,380.96, 60,583.85 and 20,673.35

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Solution

The fourth proportional to 40,380.96, 60,583.85 and 20,673.35 is: 31,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.96 : 60,583.85 = 20,673.35 : x
  2. Step 2: Convert to fraction form
    40,380.96/60,583.85 = 20,673.35/x
  3. Step 3: Cross multiply
    40,380.96x = 60,583.85 × 20,673.35
  4. Step 4: Simplify right side
    40,380.96x = 1,252,471,135.40
  5. Step 5: Solve for x
    x = 1,252,471,135.40/40,380.96
  6. Step 6: Final answer
    x = 31,016.38

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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.