Home / 33,330.35-49,990.61-12,265.50

Finding the Fourth Proportional to 33,330.35, 49,990.61 and 12,265.50

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Solution

The fourth proportional to 33,330.35, 49,990.61 and 12,265.50 is: 18,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.35 : 49,990.61 = 12,265.50 : x
  2. Step 2: Convert to fraction form
    33,330.35/49,990.61 = 12,265.50/x
  3. Step 3: Cross multiply
    33,330.35x = 49,990.61 × 12,265.50
  4. Step 4: Simplify right side
    33,330.35x = 613,159,935.44
  5. Step 5: Solve for x
    x = 613,159,935.44/33,330.35
  6. Step 6: Final answer
    x = 18,396.44

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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.