Home / 74,252.46-111,378.66-21,661.92

Finding the Fourth Proportional to 74,252.46, 111,378.66 and 21,661.92

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Solution

The fourth proportional to 74,252.46, 111,378.66 and 21,661.92 is: 32,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252.46 : 111,378.66 = 21,661.92 : x
  2. Step 2: Convert to fraction form
    74,252.46/111,378.66 = 21,661.92/x
  3. Step 3: Cross multiply
    74,252.46x = 111,378.66 × 21,661.92
  4. Step 4: Simplify right side
    74,252.46x = 2,412,675,622.63
  5. Step 5: Solve for x
    x = 2,412,675,622.63/74,252.46
  6. Step 6: Final answer
    x = 32,492.87

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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.