Home / 45,327.71-68,014.82-18,694.17

Finding the Fourth Proportional to 45,327.71, 68,014.82 and 18,694.17

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Solution

The fourth proportional to 45,327.71, 68,014.82 and 18,694.17 is: 28,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.71 : 68,014.82 = 18,694.17 : x
  2. Step 2: Convert to fraction form
    45,327.71/68,014.82 = 18,694.17/x
  3. Step 3: Cross multiply
    45,327.71x = 68,014.82 × 18,694.17
  4. Step 4: Simplify right side
    45,327.71x = 1,271,480,654.33
  5. Step 5: Solve for x
    x = 1,271,480,654.33/45,327.71
  6. Step 6: Final answer
    x = 28,050.85

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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.