Home / 39,824.22-59,744.97-12,121.50

Finding the Fourth Proportional to 39,824.22, 59,744.97 and 12,121.50

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Solution

The fourth proportional to 39,824.22, 59,744.97 and 12,121.50 is: 18,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,824.22 : 59,744.97 = 12,121.50 : x
  2. Step 2: Convert to fraction form
    39,824.22/59,744.97 = 12,121.50/x
  3. Step 3: Cross multiply
    39,824.22x = 59,744.97 × 12,121.50
  4. Step 4: Simplify right side
    39,824.22x = 724,198,653.86
  5. Step 5: Solve for x
    x = 724,198,653.86/39,824.22
  6. Step 6: Final answer
    x = 18,184.88

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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.