Home / 45,204.53-67,815.29-18,188.91

Finding the Fourth Proportional to 45,204.53, 67,815.29 and 18,188.91

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Solution

The fourth proportional to 45,204.53, 67,815.29 and 18,188.91 is: 27,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,204.53 : 67,815.29 = 18,188.91 : x
  2. Step 2: Convert to fraction form
    45,204.53/67,815.29 = 18,188.91/x
  3. Step 3: Cross multiply
    45,204.53x = 67,815.29 × 18,188.91
  4. Step 4: Simplify right side
    45,204.53x = 1,233,486,251.91
  5. Step 5: Solve for x
    x = 1,233,486,251.91/45,204.53
  6. Step 6: Final answer
    x = 27,286.79

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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.