Home / 45,231.14-67,845.90-18,571.34

Finding the Fourth Proportional to 45,231.14, 67,845.90 and 18,571.34

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Solution

The fourth proportional to 45,231.14, 67,845.90 and 18,571.34 is: 27,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.14 : 67,845.90 = 18,571.34 : x
  2. Step 2: Convert to fraction form
    45,231.14/67,845.90 = 18,571.34/x
  3. Step 3: Cross multiply
    45,231.14x = 67,845.90 × 18,571.34
  4. Step 4: Simplify right side
    45,231.14x = 1,259,989,276.51
  5. Step 5: Solve for x
    x = 1,259,989,276.51/45,231.14
  6. Step 6: Final answer
    x = 27,856.68

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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.