Home / 36,766.50-55,062-21,151.32

Finding the Fourth Proportional to 36,766.50, 55,062 and 21,151.32

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Solution

The fourth proportional to 36,766.50, 55,062 and 21,151.32 is: 31,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,766.50 : 55,062 = 21,151.32 : x
  2. Step 2: Convert to fraction form
    36,766.50/55,062 = 21,151.32/x
  3. Step 3: Cross multiply
    36,766.50x = 55,062 × 21,151.32
  4. Step 4: Simplify right side
    36,766.50x = 1,164,633,981.84
  5. Step 5: Solve for x
    x = 1,164,633,981.84/36,766.50
  6. Step 6: Final answer
    x = 31,676.50

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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.