Home / 65,709.27-98,578.53-18,958.50

Finding the Fourth Proportional to 65,709.27, 98,578.53 and 18,958.50

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Solution

The fourth proportional to 65,709.27, 98,578.53 and 18,958.50 is: 28,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,709.27 : 98,578.53 = 18,958.50 : x
  2. Step 2: Convert to fraction form
    65,709.27/98,578.53 = 18,958.50/x
  3. Step 3: Cross multiply
    65,709.27x = 98,578.53 × 18,958.50
  4. Step 4: Simplify right side
    65,709.27x = 1,868,901,061.01
  5. Step 5: Solve for x
    x = 1,868,901,061.01/65,709.27
  6. Step 6: Final answer
    x = 28,441.97

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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.