Home / 36,984.30-55,479.50-12,023.78

Finding the Fourth Proportional to 36,984.30, 55,479.50 and 12,023.78

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Solution

The fourth proportional to 36,984.30, 55,479.50 and 12,023.78 is: 18,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.30 : 55,479.50 = 12,023.78 : x
  2. Step 2: Convert to fraction form
    36,984.30/55,479.50 = 12,023.78/x
  3. Step 3: Cross multiply
    36,984.30x = 55,479.50 × 12,023.78
  4. Step 4: Simplify right side
    36,984.30x = 667,073,010.08
  5. Step 5: Solve for x
    x = 667,073,010.08/36,984.30
  6. Step 6: Final answer
    x = 18,036.66

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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.