Home / 45,489.47-68,224.79-12,201.62

Finding the Fourth Proportional to 45,489.47, 68,224.79 and 12,201.62

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Solution

The fourth proportional to 45,489.47, 68,224.79 and 12,201.62 is: 18,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.47 : 68,224.79 = 12,201.62 : x
  2. Step 2: Convert to fraction form
    45,489.47/68,224.79 = 12,201.62/x
  3. Step 3: Cross multiply
    45,489.47x = 68,224.79 × 12,201.62
  4. Step 4: Simplify right side
    45,489.47x = 832,452,560.03
  5. Step 5: Solve for x
    x = 832,452,560.03/45,489.47
  6. Step 6: Final answer
    x = 18,299.90

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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.