Home / 65,318.28-97,992.81-18,571.56

Finding the Fourth Proportional to 65,318.28, 97,992.81 and 18,571.56

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Solution

The fourth proportional to 65,318.28, 97,992.81 and 18,571.56 is: 27,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,318.28 : 97,992.81 = 18,571.56 : x
  2. Step 2: Convert to fraction form
    65,318.28/97,992.81 = 18,571.56/x
  3. Step 3: Cross multiply
    65,318.28x = 97,992.81 × 18,571.56
  4. Step 4: Simplify right side
    65,318.28x = 1,819,879,350.48
  5. Step 5: Solve for x
    x = 1,819,879,350.48/65,318.28
  6. Step 6: Final answer
    x = 27,861.72

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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.