Home / 36,990.30-55,524.94-15,940.72

Finding the Fourth Proportional to 36,990.30, 55,524.94 and 15,940.72

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Solution

The fourth proportional to 36,990.30, 55,524.94 and 15,940.72 is: 23,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.30 : 55,524.94 = 15,940.72 : x
  2. Step 2: Convert to fraction form
    36,990.30/55,524.94 = 15,940.72/x
  3. Step 3: Cross multiply
    36,990.30x = 55,524.94 × 15,940.72
  4. Step 4: Simplify right side
    36,990.30x = 885,107,521.56
  5. Step 5: Solve for x
    x = 885,107,521.56/36,990.30
  6. Step 6: Final answer
    x = 23,928.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.