Home / 36,644.40-50,568.35-20,511.90

Finding the Fourth Proportional to 36,644.40, 50,568.35 and 20,511.90

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Solution

The fourth proportional to 36,644.40, 50,568.35 and 20,511.90 is: 28,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,644.40 : 50,568.35 = 20,511.90 : x
  2. Step 2: Convert to fraction form
    36,644.40/50,568.35 = 20,511.90/x
  3. Step 3: Cross multiply
    36,644.40x = 50,568.35 × 20,511.90
  4. Step 4: Simplify right side
    36,644.40x = 1,037,252,835.81
  5. Step 5: Solve for x
    x = 1,037,252,835.81/36,644.40
  6. Step 6: Final answer
    x = 28,305.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.