Home / 50,178.21-75,269.57-20,575.23

Finding the Fourth Proportional to 50,178.21, 75,269.57 and 20,575.23

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Solution

The fourth proportional to 50,178.21, 75,269.57 and 20,575.23 is: 30,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,178.21 : 75,269.57 = 20,575.23 : x
  2. Step 2: Convert to fraction form
    50,178.21/75,269.57 = 20,575.23/x
  3. Step 3: Cross multiply
    50,178.21x = 75,269.57 × 20,575.23
  4. Step 4: Simplify right side
    50,178.21x = 1,548,688,611.87
  5. Step 5: Solve for x
    x = 1,548,688,611.87/50,178.21
  6. Step 6: Final answer
    x = 30,863.77

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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.