Home / 36,397.32-50,228.06-20,481.90

Finding the Fourth Proportional to 36,397.32, 50,228.06 and 20,481.90

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Solution

The fourth proportional to 36,397.32, 50,228.06 and 20,481.90 is: 28,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.32 : 50,228.06 = 20,481.90 : x
  2. Step 2: Convert to fraction form
    36,397.32/50,228.06 = 20,481.90/x
  3. Step 3: Cross multiply
    36,397.32x = 50,228.06 × 20,481.90
  4. Step 4: Simplify right side
    36,397.32x = 1,028,766,102.11
  5. Step 5: Solve for x
    x = 1,028,766,102.11/36,397.32
  6. Step 6: Final answer
    x = 28,264.89

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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.