Home / 36,521.37-54,771.08-18,981.61

Finding the Fourth Proportional to 36,521.37, 54,771.08 and 18,981.61

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Solution

The fourth proportional to 36,521.37, 54,771.08 and 18,981.61 is: 28,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.37 : 54,771.08 = 18,981.61 : x
  2. Step 2: Convert to fraction form
    36,521.37/54,771.08 = 18,981.61/x
  3. Step 3: Cross multiply
    36,521.37x = 54,771.08 × 18,981.61
  4. Step 4: Simplify right side
    36,521.37x = 1,039,643,184.93
  5. Step 5: Solve for x
    x = 1,039,643,184.93/36,521.37
  6. Step 6: Final answer
    x = 28,466.71

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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.