Home / 20,419.89-30,601.11-16,241.36

Finding the Fourth Proportional to 20,419.89, 30,601.11 and 16,241.36

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Solution

The fourth proportional to 20,419.89, 30,601.11 and 16,241.36 is: 24,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419.89 : 30,601.11 = 16,241.36 : x
  2. Step 2: Convert to fraction form
    20,419.89/30,601.11 = 16,241.36/x
  3. Step 3: Cross multiply
    20,419.89x = 30,601.11 × 16,241.36
  4. Step 4: Simplify right side
    20,419.89x = 497,003,409.70
  5. Step 5: Solve for x
    x = 497,003,409.70/20,419.89
  6. Step 6: Final answer
    x = 24,339.18

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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.