Home / 45,109.28-67,529.11-27,286.00

Finding the Fourth Proportional to 45,109.28, 67,529.11 and 27,286.00

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Solution

The fourth proportional to 45,109.28, 67,529.11 and 27,286.00 is: 40,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,109.28 : 67,529.11 = 27,286.00 : x
  2. Step 2: Convert to fraction form
    45,109.28/67,529.11 = 27,286.00/x
  3. Step 3: Cross multiply
    45,109.28x = 67,529.11 × 27,286.00
  4. Step 4: Simplify right side
    45,109.28x = 1,842,599,299.51
  5. Step 5: Solve for x
    x = 1,842,599,299.51/45,109.28
  6. Step 6: Final answer
    x = 40,847.46

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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.