Home / 45,102.06-67,653.38-11,821.84

Finding the Fourth Proportional to 45,102.06, 67,653.38 and 11,821.84

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Solution

The fourth proportional to 45,102.06, 67,653.38 and 11,821.84 is: 17,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.06 : 67,653.38 = 11,821.84 : x
  2. Step 2: Convert to fraction form
    45,102.06/67,653.38 = 11,821.84/x
  3. Step 3: Cross multiply
    45,102.06x = 67,653.38 × 11,821.84
  4. Step 4: Simplify right side
    45,102.06x = 799,787,036.44
  5. Step 5: Solve for x
    x = 799,787,036.44/45,102.06
  6. Step 6: Final answer
    x = 17,732.83

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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.