Home / 36,025.21-49,714.60-20,921.59

Finding the Fourth Proportional to 36,025.21, 49,714.60 and 20,921.59

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Solution

The fourth proportional to 36,025.21, 49,714.60 and 20,921.59 is: 28,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.21 : 49,714.60 = 20,921.59 : x
  2. Step 2: Convert to fraction form
    36,025.21/49,714.60 = 20,921.59/x
  3. Step 3: Cross multiply
    36,025.21x = 49,714.60 × 20,921.59
  4. Step 4: Simplify right side
    36,025.21x = 1,040,108,478.21
  5. Step 5: Solve for x
    x = 1,040,108,478.21/36,025.21
  6. Step 6: Final answer
    x = 28,871.68

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1.5x scale

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.