Home / 36,388.14-50,215.84-20,472.86

Finding the Fourth Proportional to 36,388.14, 50,215.84 and 20,472.86

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Solution

The fourth proportional to 36,388.14, 50,215.84 and 20,472.86 is: 28,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.14 : 50,215.84 = 20,472.86 : x
  2. Step 2: Convert to fraction form
    36,388.14/50,215.84 = 20,472.86/x
  3. Step 3: Cross multiply
    36,388.14x = 50,215.84 × 20,472.86
  4. Step 4: Simplify right side
    36,388.14x = 1,028,061,862.10
  5. Step 5: Solve for x
    x = 1,028,061,862.10/36,388.14
  6. Step 6: Final answer
    x = 28,252.66

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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.