Home / 43,650.72-65,472.24-18,683.04

Finding the Fourth Proportional to 43,650.72, 65,472.24 and 18,683.04

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Solution

The fourth proportional to 43,650.72, 65,472.24 and 18,683.04 is: 28,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.72 : 65,472.24 = 18,683.04 : x
  2. Step 2: Convert to fraction form
    43,650.72/65,472.24 = 18,683.04/x
  3. Step 3: Cross multiply
    43,650.72x = 65,472.24 × 18,683.04
  4. Step 4: Simplify right side
    43,650.72x = 1,223,220,478.81
  5. Step 5: Solve for x
    x = 1,223,220,478.81/43,650.72
  6. Step 6: Final answer
    x = 28,022.92

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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.