Home / 36,389.86-50,218.99-20,474.88

Finding the Fourth Proportional to 36,389.86, 50,218.99 and 20,474.88

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Solution

The fourth proportional to 36,389.86, 50,218.99 and 20,474.88 is: 28,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,389.86 : 50,218.99 = 20,474.88 : x
  2. Step 2: Convert to fraction form
    36,389.86/50,218.99 = 20,474.88/x
  3. Step 3: Cross multiply
    36,389.86x = 50,218.99 × 20,474.88
  4. Step 4: Simplify right side
    36,389.86x = 1,028,227,554.46
  5. Step 5: Solve for x
    x = 1,028,227,554.46/36,389.86
  6. Step 6: Final answer
    x = 28,255.88

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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.