Home / 20,419.95-30,601.23-16,241.43

Finding the Fourth Proportional to 20,419.95, 30,601.23 and 16,241.43

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Solution

The fourth proportional to 20,419.95, 30,601.23 and 16,241.43 is: 24,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419.95 : 30,601.23 = 16,241.43 : x
  2. Step 2: Convert to fraction form
    20,419.95/30,601.23 = 16,241.43/x
  3. Step 3: Cross multiply
    20,419.95x = 30,601.23 × 16,241.43
  4. Step 4: Simplify right side
    20,419.95x = 497,007,734.96
  5. Step 5: Solve for x
    x = 497,007,734.96/20,419.95
  6. Step 6: Final answer
    x = 24,339.32

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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.