Home / 36,648.40-50,573.86-20,515.90

Finding the Fourth Proportional to 36,648.40, 50,573.86 and 20,515.90

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Solution

The fourth proportional to 36,648.40, 50,573.86 and 20,515.90 is: 28,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.40 : 50,573.86 = 20,515.90 : x
  2. Step 2: Convert to fraction form
    36,648.40/50,573.86 = 20,515.90/x
  3. Step 3: Cross multiply
    36,648.40x = 50,573.86 × 20,515.90
  4. Step 4: Simplify right side
    36,648.40x = 1,037,568,254.37
  5. Step 5: Solve for x
    x = 1,037,568,254.37/36,648.40
  6. Step 6: Final answer
    x = 28,311.42

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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.